Denial Of Service
Monthly
libsoup's SoupServer contains a use-after-free vulnerability in the soup_server_disconnect() function that prematurely frees connection objects while TLS handshakes are pending, allowing remote unauthenticated attackers to trigger a server crash via denial of service when a handshake completes after memory deallocation. The vulnerability affects Red Hat Enterprise Linux versions 6, 7, 8, 9, and 10, as well as Ubuntu and Debian distributions across multiple releases. No public exploit code or active exploitation has been confirmed at the time of analysis.
Tandoor Recipes versions prior to 2.6.0 allow authenticated remote attackers to cause denial of service by injecting URL parameters into the USDA FoodData Central search endpoint through improper URL encoding of the query parameter, enabling API key override and server crashes via malformed requests. Publicly available exploit code exists, and a vendor-released patch is available in version 2.6.0.
path-to-regexp versions prior to 8.4.0 are vulnerable to Regular Expression Denial of Service (ReDoS) when processing multiple wildcard parameters combined with path parameters in specific configurations. Unauthenticated remote attackers can craft malicious path patterns containing multiple wildcards (not at the end) to trigger catastrophic regex backtracking, causing denial of service against applications using the affected library. No public exploit code or active exploitation has been confirmed at time of analysis.
Brace-expansion library versions prior to 5.0.5 allow unauthenticated remote attackers to cause denial of service through resource exhaustion by supplying brace expansion patterns with zero step values (e.g., {1..2..0}), triggering an infinite loop that consumes gigabytes of memory and hangs the process for seconds. The vulnerability affects any application passing untrusted input to the expand() function, including glob/minimatch-based tools consuming CLI arguments or configuration files, and requires only 10 bytes of malicious input to trigger.
Stirling-PDF versions 2.1.5 through 2.5.1 are vulnerable to resource exhaustion denial of service through the watermark API endpoint, where authenticated users can supply extreme values for fontSize and widthSpacer parameters to crash the server. A proof-of-concept exists according to SSVC data, and the vendor has released patched version 2.5.2 to resolve the issue.
EVerest charging software stack versions prior to 2026.02.0 contain a use-after-free vulnerability in the ISO15118_chargerImpl::handle_session_setup function that crashes the EVSE process when session setup commands are issued after ISO15118 initialization failure. Remote attackers with MQTT access can trigger this denial of service condition by sending a crafted session_setup command, causing the process to reference freed memory (v2g_ctx). A vendor-released patch is available in version 2026.02.0.
Mattermost server versions 10.11.x through 11.4.x fail to validate decompressed archive entry sizes during ZIP file extraction, allowing authenticated users with file upload permissions to trigger denial of service by uploading crafted zip bombs that exhaust server memory. The vulnerability affects Mattermost 10.11.0-10.11.11, 11.2.0-11.2.3, 11.3.0-11.3.1, and 11.4.0, with CVSS 6.5 (medium) reflecting the requirement for prior authentication and limited scope (availability impact only). No public exploit identified at time of analysis, though the attack vector is network-accessible and requires low complexity once an attacker has valid upload credentials.
Mattermost Plugins versions 11.4 and earlier fail to validate incoming request sizes on webhook endpoints, allowing authenticated attackers to trigger denial of service by sending oversized requests. The vulnerability affects multiple Mattermost release branches (10.x, 11.0.x, 11.1.x, 11.3.x) and has been assigned CVSS 4.9 (medium severity) with no public exploit identified at time of analysis. While exploitability requires high-privilege authentication and manual intervention, the lack of request size enforcement on webhooks represents a fundamental input validation gap that could disrupt service availability in production environments.
Polkit's polkit-agent-helper-1 setuid binary fails to bound input length on stdin, allowing local authenticated users to trigger out-of-memory conditions and deny system availability. An attacker with local login privileges can supply excessively long input to exhaust memory resources, causing a system-wide denial of service. No public exploit code or active exploitation has been confirmed at the time of analysis.
River Past Audio Converter 7.7.16 contains a local buffer overflow vulnerability in the activation code field that allows local attackers to crash the application by supplying an oversized input. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
MyVideoConverter Pro 3.14 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying an excessively long string to the registration code input field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
AnyBurn 4.3 contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the image file name field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Excel Password Recovery Professional 8.2.0.0 contains a local buffer overflow vulnerability that allows attackers to cause a denial of service by supplying an excessively long string to the 'E-Mail. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
MegaPing contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload to the Destination Address List field in the Finger. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Allok Video Splitter 3.1.1217 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service or execute arbitrary code by supplying an oversized string in the. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
HCL Aftermarket DPC version 1.0.0 is vulnerable to excessive spamming that consumes server bandwidth and processing resources, potentially causing denial of service to legitimate users. The vulnerability requires user interaction (UI:R per CVSS vector) and is remotely exploitable without authentication, resulting in partial availability impact. No public exploit code or active exploitation has been identified at time of analysis, though the low barrier to exploitation (AC:L) makes this a practical attack vector for resource exhaustion.
Linux kernel ICMP tag validation routines fail to check for NULL protocol handler pointers before dereferencing them, causing kernel panics in softirq context when processing fragmentation-needed errors with unregistered protocol numbers and ip_no_pmtu_disc hardened mode enabled. The vulnerability affects multiple Linux kernel versions across stable branches (6.1, 6.6, 6.12, 6.18, 6.19, and 7.0-rc5), with an EPSS score of 0.02% (7th percentile) indicating low real-world exploitation probability. No public exploit code or active exploitation has been confirmed; the fix requires adding a NULL pointer check in icmp_tag_validation() before accessing icmp_strict_tag_validation.
Linux kernel mac80211 mesh networking crashes on NULL pointer dereference when processing Channel Switch Announcement (CSA) action frames lacking Mesh Configuration IE, allowing adjacent WiFi attackers to trigger kernel panic (DoS) via crafted frames. Affects multiple stable kernel versions (6.1.167, 6.6.130, 6.12.78, 6.18.20, 6.19.10, 7.0-rc5 and earlier); EPSS exploitation probability is 0.02% (low), no public exploit identified, and upstream fixes are available across all affected release branches.
Uncontrolled recursion in the Markdown Handler component of Orc discount up to version 3.0.1.2 causes denial of service through malformed deeply-nested blockquote inputs, affecting local users who process untrusted markdown files. Public exploit code exists for this vulnerability, and no patch is currently available. The issue requires local access and low privileges to trigger but can crash the application.
Kirby CMS versions through 5.1.4 allow authenticated editors to trigger a persistent denial of service by uploading malformed images that bypass getimagesize() validation, causing fatal TypeErrors during metadata or thumbnail processing. A proof-of-concept exists and the vulnerability is automatable post-authentication, though no CISA KEV confirmation is evident. The impact is availability degradation affecting CMS operations for all users.
Rails Active Storage's proxy controller fails to limit the number of byte ranges accepted in HTTP Range headers, allowing attackers to craft requests with thousands of small ranges that consume disproportionate CPU resources compared to legitimate file requests. This denial-of-service vulnerability affects Ruby on Rails applications using the ActiveStorage library (pkg:rubygems/activestorage). An attacker can trigger resource exhaustion by sending Range requests with many byte ranges, potentially rendering the application unavailable to legitimate users.
This vulnerability in pypdf allows an attacker to craft a malicious PDF file that triggers an infinite loop when processed in non-strict mode, resulting in a denial of service condition. The affected product is pypdf (Python package available via pip), and the vulnerability has been patched in version 6.9.2. While no CVSS score or EPSS data is currently available, the vulnerability is classified as a denial of service issue stemming from improper loop handling (CWE-835: Infinite Loop).
GitLab CE/EE contains a denial of service vulnerability in webhook configuration processing that allows authenticated users to consume excessive server resources, affecting versions 16.10 through 18.10.0. An attacker with valid GitLab credentials can trigger this issue by submitting specially crafted webhook configuration inputs, resulting in application unavailability. A proof-of-concept exploit is publicly available via HackerOne, and patches are available for affected versions.
GitLab CE/EE contains a denial of service vulnerability in CI-related input handling that allows authenticated users to consume excessive server resources, potentially rendering the service unavailable. Versions 13.7 through 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 are affected across all GitLab installations. A publicly available proof-of-concept exists from HackerOne (report 3418149), though CISA has not flagged this for active exploitation in the wild, and the SSVC framework indicates no evidence of current weaponization despite automatable characteristics being unavailable.
Mattermost fails to properly sanitize external SVG rendering in link embeds, allowing unauthenticated users to trigger denial-of-service conditions in both web and desktop applications. An attacker can create a malicious GitHub issue or pull request containing a crafted external SVG that crashes the Mattermost webapp and desktop client when the link is embedded. This vulnerability affects Mattermost versions 11.4.0 and below, 11.3.1 and below, 11.2.3 and below, and 10.11.11 and below, with a CVSS score of 4.3 indicating low-to-moderate severity focused on availability impact rather than confidentiality or integrity.
Mattermost versions 11.4.0, 11.3.x through 11.3.1, 11.2.x through 11.2.3, and 10.11.x through 10.11.11 lack proper rate limiting on login endpoints, allowing unauthenticated attackers to trigger denial of service through HTTP/2 single packet attacks delivering 100+ parallel login requests. This causes server crashes and forced restarts. While the CVSS score of 4.3 is moderate and requires low attack complexity over the network, the vulnerability enables complete service disruption without authentication.
Improper validation of malformed SCP requests in Cisco IOS XE Software allows authenticated local attackers to trigger unexpected device reloads and cause service disruption. An attacker with low privileges can exploit this vulnerability by sending a crafted SSH command to the SCP server component. No patch is currently available for this denial of service vulnerability.
Insufficient privilege validation on the start maintenance command in Cisco IOS XE Software enables authenticated local attackers to trigger a denial of service by placing devices into maintenance mode, which disables network interfaces. Low-privileged users can exploit this via CLI access without administrative credentials. Device recovery requires administrator intervention using the stop maintenance command.
Nanoleaf Lines firmware versions prior to 12.3.6 lack authentication controls on firmware file upload endpoints, allowing remote unauthenticated attackers to upload arbitrary files to the device. This vulnerability enables denial-of-service attacks through storage resource exhaustion and potential firmware tampering without requiring valid credentials or user interaction. The vulnerability has a CVSS score of 6.5 (Medium) with network-based attack vector and low complexity, and is tagged with denial-of-service impact indicators in CISA reporting.
BIND 9 DNS server crashes when processing specially crafted TSIG-authenticated queries containing TKEY records, affecting versions 9.20.0-9.20.20, 9.21.0-9.21.19, and 9.20.9-S1-9.20.20-S1 on Ubuntu, SUSE, and Debian systems. An authenticated attacker with a valid TSIG key can trigger a denial of service by sending a malformed query, disrupting DNS resolution services. A patch is available for affected installations.
This vulnerability affects multiple Linux kernel HID (Human Interface Device) drivers that lack proper validation checks when processing raw event callbacks from unclaimed HID devices. An attacker could connect a malicious or broken HID device to trigger a NULL pointer dereference in affected drivers, causing a kernel crash and denial of service. The vulnerability was identified as a gap in security hardening following a similar fix applied to the appleir driver, and patches are available across multiple stable kernel branches.
A NULL pointer dereference vulnerability exists in the Linux kernel's bridge networking module when IPv6 is disabled via the 'ipv6.disable=1' boot parameter. When Neighbor Discovery (ND) suppression is enabled on a bridge, an ICMPv6 packet reaching the bridge causes the kernel to dereference a NULL pointer in the nd_tbl structure, resulting in a kernel panic and denial of service. This affects all Linux kernel versions with this code path, and while no CVSS score or EPSS data is currently available, the vulnerability is readily triggered through network packet receipt on systems with specific boot configurations.
A vulnerability in the Linux kernel's Transparent Huge Pages (THP) subsystem incorrectly enables THP for files on anonymous inodes (such as guest_memfd and secretmem), which were not designed to support large folios. This can trigger kernel crashes via memory copy operations on unmapped memory in secretmem, or WARN_ON conditions in guest_memfd fault handlers. The vulnerability affects Linux kernel versions across multiple stable branches and requires a kernel patch to remediate; while not known to be actively exploited in the wild, the condition can be triggered locally by unprivileged users through madvise() syscalls.
A race condition in the Linux kernel's i801 I2C driver causes a kernel NULL pointer dereference and panic during boot when multiple udev threads concurrently access the ACPI I/O handler region. The vulnerability affects Linux kernel versions running the i2c_i801 driver on systems with Intel i801 chipsets. An attacker with local access or the ability to trigger concurrent device enumeration during boot can crash the system, resulting in denial of service.
A NULL pointer dereference vulnerability exists in the Linux kernel's DRM client subsystem within the drm_client_modeset_probe function. When memory allocation for the 'modes' variable fails via kcalloc, the error handling path incorrectly attempts to destroy a NULL pointer, leading to a kernel panic or denial of service. This affects all Linux kernel versions containing this vulnerable code path in the DRM display driver subsystem.
The Linux kernel kalmia USB driver fails to validate that connected USB devices have the required endpoints before binding to them, allowing a malicious or malformed USB device to trigger a kernel crash during endpoint access. This denial-of-service vulnerability affects all Linux kernel versions running the kalmia driver (net/usb/kalmia.c) and requires physical USB device connection or local control of USB device enumeration. While no CVSS score or EPSS probability is formally assigned, the vulnerability has been patched across multiple stable kernel branches, indicating recognition of the issue's severity.
A logic error in the Linux kernel's DRBD (Distributed Replicated Block Device) subsystem causes drbd_al_begin_io_nonblock() to fail silently when activity log extent acquisition fails due to spinlock contention, leading to loss of mutual exclusivity guarantees between resync and application I/O operations. This vulnerability affects all Linux kernel versions with the affected DRBD code and can result in kernel crashes via BUG_ON() assertions when activity log references are incorrectly released, as well as potential data consistency issues during active resync operations when concurrent application I/O proceeds without proper exclusivity enforcement.
A null pointer dereference vulnerability exists in the Linux kernel's ice network driver that crashes the system during ethtool offline loopback tests. The vulnerability affects Linux kernel versions running the ice driver (Intel Ethernet Controller driver), and an attacker with local access and CAP_NET_ADMIN privileges can trigger a kernel panic (denial of service) by executing ethtool loopback self-tests. No active exploitation or public POC has been reported; patches are available in stable kernel releases.
A NULL pointer dereference vulnerability exists in the Linux kernel's HID pidff (PID force feedback) driver due to incomplete clearing of conditional effect bits from the ffbit field. This affects all Linux kernel versions using the vulnerable pidff driver code. An attacker with local access to a system with a connected force feedback HID device could trigger a kernel panic, causing a denial of service. No CVSS score, EPSS score, or active KEV status is currently available, but three stable kernel commits addressing this issue have been merged, indicating the vulnerability has been formally patched.
A race condition exists in the Linux kernel's CXL (Compute Express Link) subsystem where the nvdimm_bus object can be invalidated while orphaned nvdimm objects attempt to reprobe, leading to a NULL pointer dereference in kobject_get() during device registration. This affects Linux kernels with CXL support enabled, allowing a local attacker or system administrator to trigger a kernel panic (denial of service) through module unload/reload sequences or specific timing during CXL ACPI probe operations. No active exploitation in the wild has been reported, but the vulnerability is easily reproducible via the cxl-translate.sh unit test with minimal timing manipulation.
A null pointer dereference vulnerability exists in the Linux kernel's AMD XDNA accelerator driver (accel/amdxdna) that can cause a kernel crash when userspace attempts to destroy a hardware context that has been automatically suspended. The vulnerability affects all Linux kernel versions with the vulnerable amdxdna driver code path; an unprivileged local user with access to the driver's ioctl interface can trigger a denial of service by issuing a destroy context command on a suspended context, causing the kernel to crash when accessing a NULL mailbox channel pointer. No CVSS score, EPSS data, or KEV status is currently available, but the vulnerability is classified as a denial of service with straightforward triggering conditions.
A validation bypass vulnerability exists in the Linux kernel's netfilter nft_set_rbtree module that fails to properly validate overlapping open intervals in packet filtering rule sets. This affects all Linux distributions running vulnerable kernel versions, allowing local or remote attackers with network configuration privileges to bypass firewall rules through malformed interval specifications. The vulnerability is classified as an information disclosure issue and has been patched upstream, though no active exploitation in the wild has been documented.
A NULL pointer dereference vulnerability exists in the Linux kernel's intel_pstate CPU frequency scaling driver that crashes the system when turbo boost is disabled on systems with CPU count limitations. This affects Linux kernel versions across multiple releases where the system is booted with 'nosmt' or 'maxcpus' kernel parameters and a user or administrator attempts to disable turbo via sysfs. An unprivileged local attacker with write access to /sys/devices/system/cpu/intel_pstate/no_turbo can trigger a kernel panic, resulting in denial of service. The vulnerability has been patched and fixes are available across multiple stable kernel branches.
A NULL pointer dereference vulnerability exists in the Linux kernel's AMD XDena accelerator driver (accel/amdxdna) where the mgmt_chann variable may be set to NULL if firmware returns an unexpected error during management message transmission, subsequently causing a kernel crash when aie2_hw_stop() attempts to access it. This affects Linux kernel versions across the amdxdna subsystem and can be exploited by local attackers with physical access or through malicious firmware to trigger a denial of service condition. Two stable kernel patches are available that introduce proper NULL checks and a dedicated helper function to safely destroy mgmt_chann.
A lifecycle management vulnerability in the Linux kernel's USB NCM (Network Control Model) gadget function causes the network device to outlive its parent gadget device, resulting in NULL pointer dereferences and dangling sysfs symlinks when the USB gadget is disconnected. This affects all Linux kernel versions with the vulnerable USB gadget NCM implementation, and an attacker with local access to trigger USB gadget bind/unbind cycles can cause a kernel panic (denial of service). No CVSS vector, EPSS score, or active KEV status is available, but patches are confirmed available in the Linux stable tree.
The Linux kernel's kaweth USB driver fails to validate that probed USB devices have the expected number and types of endpoints before binding to them, allowing a malicious or malformed USB device to cause a kernel crash when the driver blindly accesses non-existent endpoints. This denial-of-service vulnerability affects Linux kernel versions across multiple stable branches and can be triggered by any user with the ability to connect a crafted USB device to a system running the vulnerable kernel. While CVSS and EPSS scores are not available, the vulnerability represents a straightforward crash vector with no reported active exploitation but patches are available across multiple kernel versions.
A NULL pointer dereference vulnerability exists in the Linux kernel's event tracing subsystem, specifically in the trigger_data_free() function which fails to validate NULL pointers before dereferencing the data->cmd_ops field. This affects all Linux kernel versions where the vulnerable tracing code is present, and can be exploited by local attackers with appropriate privileges to cause a denial of service through kernel panic. The vulnerability was discovered through automated code review rather than active exploitation in the wild, and patches have been committed to stable kernel branches.
A NULL pointer dereference vulnerability exists in the Linux kernel's IPv6 routing code within the ip6_rt_get_dev_rcu() function, triggered when a slave device is being un-slaved from a Virtual Routing and Forwarding (VRF) context. The vulnerability affects all Linux kernel versions with the affected code path and can be exploited to cause a kernel panic and denial of service. This issue was introduced by commit 4832c30d5458 which removed the fallback to loopback device handling, and multiple stable kernel branches have received patches to restore the NULL pointer check and fallback logic.
A kernel panic vulnerability exists in Linux IPv6 nexthop handling where standalone IPv6 nexthop objects created with loopback devices are misclassified as reject routes, causing the nhc_pcpu_rth_output field to remain unallocated. When an IPv4 route subsequently references this nexthop, a NULL pointer dereference in __mkroute_output() triggers a kernel panic, resulting in denial of service. All Linux kernel versions with IPv6 nexthop support are affected, and the vulnerability is remotely triggerable by unprivileged users with network configuration capabilities.
A denial-of-service vulnerability exists in the Linux kernel's ucan (CAN-over-USB) driver where malformed USB messages with a zero-length field cause an infinite loop in the ucan_read_bulk_callback() function, hanging the entire system. An attacker with physical access to a USB port can connect a malicious or compromised CAN device to trigger this condition, rendering the affected system unresponsive. While no CVSS or EPSS scores are available, the vulnerability is confirmed as patched across multiple stable kernel branches with six commits addressing the issue.
A NULL pointer dereference vulnerability exists in the Linux kernel's VXLAN implementation when IPv6 is disabled via the 'ipv6.disable=1' boot parameter. When an IPv6 packet is injected into a VXLAN interface, the route_shortcircuit() function attempts to call neigh_lookup() on an uninitialized nd_tbl (neighbor discovery table), causing a kernel panic and denial of service. This affects all Linux distributions shipping vulnerable kernel versions, and while no CVSS score or EPSS data is provided, the presence of six stable kernel commits and reproducible crash conditions indicates high practical impact.
The pegasus USB network driver in the Linux kernel fails to validate that connected USB devices have the proper number and types of endpoints before binding to them, allowing a malicious USB device to trigger a kernel crash through null pointer dereference or out-of-bounds memory access. This denial-of-service vulnerability affects Linux kernel versions across multiple stable branches, as evidenced by patches applied to at least six different kernel maintenance branches. An attacker with physical access to a target system or the ability to inject a crafted USB device into the network could crash the kernel without authentication or elevated privileges, though no public exploit code or active exploitation in the wild has been reported.
A null pointer dereference vulnerability exists in the Linux kernel's ATM LANE module (lec_arp_clear_vccs function) where multiple ARP entries can share the same virtual circuit connection (VCC). When a VCC is closed, the kernel iterates through ARP entries and clears associated VCC pointers; if multiple entries share the same VCC, the first iteration frees the vpriv structure and sets it to NULL, causing subsequent iterations to crash when attempting to dereference the now-NULL pointer. A local attacker can trigger this denial of service condition through crafted ATM socket operations, as demonstrated by existing syzkaller reproducers.
A null-pointer dereference vulnerability exists in the Linux kernel's DRBD (Distributed Replicated Block Device) subsystem when handling local read errors. When a READ_COMPLETED_WITH_ERROR event occurs in drbd_request_endio(), a NULL peer_device pointer is passed to the __req_mod() function, which then unconditionally dereferences it in drbd_set_out_of_sync(), causing a kernel panic or system crash. This affects all Linux kernel versions with the vulnerable DRBD code, and while not actively exploited in the wild, it can be triggered by a local user or administrator through normal disk I/O error conditions, resulting in denial of service.
A NULL pointer dereference vulnerability exists in the Linux kernel's mac80211 mesh networking subsystem (CVE-2026-23279), specifically in the mesh_rx_csa_frame() function which fails to validate the presence of the Mesh Channel Switch Parameters IE before dereferencing it. A remote attacker with an established mesh peer link can trigger a kernel panic by sending a crafted SPECTRUM_MGMT/CHL_SWITCH action frame that includes matching Mesh ID and configuration elements but omits the required Channel Switch Parameters IE. This vulnerability affects all Linux kernel versions since v3.13 (January 2014) and requires no special authentication beyond the default open mesh peering, making it a trivial denial-of-service vector against systems with mesh networking enabled.
Denial-of-service attacks against multiple Apple platforms (iOS, iPadOS, macOS, tvOS, visionOS, and watchOS) result from improper null pointer handling that allows attackers in privileged network positions to crash affected systems. An attacker exploiting this CWE-476 vulnerability can render devices unavailable without user interaction. No patch is currently available, requiring users to apply mitigations until updates are released.
Apple's iOS, iPadOS, macOS, tvOS, visionOS, and watchOS contain a use-after-free vulnerability that could allow remote attackers to crash affected applications by processing maliciously crafted web content. The vulnerability stems from improper memory management and requires user interaction to exploit. No patch is currently available, leaving users vulnerable until official updates are released.
Denial of service in Apple iOS, iPadOS, and macOS due to a use-after-free memory corruption vulnerability allows local attackers to trigger unexpected system termination. The flaw affects multiple Apple platforms including iOS 18.x, macOS Sequoia, Sonoma, and Tahoe versions. No patch is currently available.
NATS.io nats-server WebSockets service is vulnerable to unbounded memory consumption when malicious unauthenticated clients connect and transmit large amounts of data. This denial-of-service vulnerability affects versions before v2.12.6 or v2.11.15 and has a moderate CVSS score of 5.3 (CWE-770: Allocation of Resources Without Limits or Throttling). Unlike the related CVE-2026-27571 compression bomb variant, this attack requires significant client-side bandwidth rather than algorithmic compression exploitation.
NVIDIA Triton Inference Server contains a race condition vulnerability (CWE-362) that allows unauthenticated remote attackers to corrupt internal server state, resulting in a denial of service. The vulnerability affects NVIDIA Triton Inference Server across multiple versions and can be exploited over the network with low attack complexity requiring no privileges or user interaction. With a CVSS score of 7.5 (High) and an EPSS score not provided, this represents a significant availability risk for organizations running AI/ML inference workloads.
NVIDIA Triton Inference Server's Sagemaker HTTP server contains a race condition vulnerability that allows unauthenticated remote attackers to trigger an exception, resulting in denial of service. The vulnerability affects NVIDIA Triton Inference Server deployments using the Sagemaker HTTP server component and can be exploited over the network without authentication or user interaction. There is no indication of active exploitation (not in CISA KEV), and EPSS data was not provided, but the CVSS score of 7.5 (High) reflects the ease of exploitation.
NVIDIA APEX for Linux contains a deserialization of untrusted data vulnerability that affects environments using PyTorch versions earlier than 2.6. An attacker with low privileges on an adjacent network can exploit this flaw to achieve code execution, denial of service, privilege escalation, data tampering, and information disclosure with scope change (CVSS 9.0 Critical). No KEV listing or public POC availability has been reported at this time.
This vulnerability in NVIDIA's B300 MCU (specifically the CX8 MCU component) allows privileged attackers with network access to modify unsupported hardware registries, potentially causing denial of service and data tampering. The flaw affects HGX and DGX B300 systems and requires high privileges and non-trivial attack complexity to exploit, though no public exploit code or active exploitation has been reported at this time. SSVC assessment indicates the vulnerability presents partial technical impact with no known automated exploitation capability.
NVIDIA SNAP-4 Container contains a buffer size calculation vulnerability in its configuration interface that allows an authenticated attacker on the same virtualized environment to trigger a denial of service condition. An attacker with local VM access and low-level privileges can send specially crafted configuration payloads that cause incorrect buffer size calculations, resulting in crashes of the SNAP storage service and loss of storage availability to the host. There is currently no evidence of active exploitation or public proof-of-concept code, and the SSVC framework indicates no known exploitation has occurred, though the vulnerability is automatable in principle.
NVIDIA SNAP-4 Container contains a use-of-out-of-range pointer offset vulnerability in the VIRTIO-BLK component that allows a malicious guest VM to trigger memory corruption and denial of service. The vulnerability affects NVIDIA SNAP-4 Container across all versions as indicated by the CPE string. A successful exploit results in denial of service to the DPA (Data Processing Appliance) and impacts storage availability to other VMs, though no code execution or information disclosure is possible. There is no evidence of active exploitation in the wild (KEV status indicates none), and the CVSS score of 6.8 reflects moderate severity with high availability impact but limited exploitability due to requiring adjacent network access and user privileges.
A command injection vulnerability (CVSS 6.7). Remediation should follow standard vulnerability management procedures. Vendor patch is available.
A SQL injection vulnerability (CVSS 5.3). Remediation should follow standard vulnerability management procedures. Vendor patch is available.
Astro web framework versions prior to 10.0.0 contain an unbounded JSON parsing vulnerability in the Server Islands POST handler that allows unauthenticated remote attackers to exhaust server memory and cause denial of service. The vulnerability affects all Astro SSR applications using the Node standalone adapter, regardless of whether Server Islands functionality is actually used, because the request body is parsed before route validation occurs. An attacker can craft a payload containing many small JSON objects to achieve approximately 15x memory amplification, crashing the process with a single malicious request.
LibVNCServer versions 0.9.15 and earlier contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpd.c that allow remote attackers to cause denial of service by sending specially crafted HTTP requests. The vulnerability affects systems with both httpd and proxy features enabled, and while no CVSS score or EPSS data is currently available, the presence of a public patch and vendor advisory indicates this is a recognized security issue requiring prompt attention.
WinAVI iPod/3GP/MP4/PSP Converter 4.4.2 contains a denial of service vulnerability that allows local attackers to crash the application by processing malformed AVI files. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
WinMPG Video Convert 9.3.5 and older versions contain a buffer overflow vulnerability in the registration dialog that allows local attackers to crash the application by supplying oversized input. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Unauthenticated SQL injection in Bootstrapy CMS allows remote attackers to extract sensitive database information or cause denial of service through multiple POST parameters in forum and contact modules. The vulnerability affects forum-thread.php (thread_id), contact-submit.php (subject), and post-new-submit.php (post-id) endpoints. Public exploit code exists via Exploit-DB #46590, though EPSS probability remains low at 0.06% (19th percentile), suggesting limited real-world exploitation despite ease of attack (AV:N/AC:L/PR:N). SSVC framework confirms proof-of-concept availability and automated exploitation potential with partial technical impact.
SQL injection in Inout Article Base CMS allows remote unauthenticated attackers to extract sensitive database information or cause denial of service through malicious XOR-based and time-based SQL payloads injected via 'p' and 'u' parameters in GET requests to portalLogin.php. Public exploit code demonstrates the attack (Exploit-DB 46593), though EPSS scoring indicates low probability of widespread exploitation (0.06%, 19th percentile). No vendor patch has been identified, and the vendor website reference provides no security advisory, leaving deployments at continued risk.
Meeplace Business Review Script contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'id' parameter. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A NULL pointer dereference vulnerability exists in MolotovCherry Android-ImageMagick7 before version 7.1.2-10 that allows local attackers with user interaction to trigger a denial of service condition by crashing the application. The vulnerability affects the Android-ImageMagick7 library (CWE-476) and requires local access and user interaction to exploit, resulting in high availability impact but no confidentiality or integrity compromise. A patch is available from the vendor via GitHub pull request #183.
A Use After Free (UAF) vulnerability exists in No-Chicken Echo-Mate prior to version V250329, allowing an attacker with high privileges to cause memory corruption that may lead to information disclosure, data integrity violations, or denial of service. The vulnerability is classified as CWE-416 and carries a CVSS score of 6.4; a security patch is available from the vendor via GitHub pull request.
A NULL pointer dereference vulnerability exists in tmate versions prior to 2.4.0, allowing unauthenticated remote attackers to cause a denial of service condition by crashing the application. The vulnerability has a CVSS score of 5.3 (medium severity) with low attack complexity and no privilege requirements, making it readily exploitable over the network. A patch is available from the vendor, and this issue does not compromise confidentiality or integrity-only availability.
A resource exhaustion vulnerability exists in Undertow where remote attackers can send HTTP GET requests with multipart/form-data content to trigger premature parsing and disk storage of request data, leading to Denial of Service when applications use parameter retrieval methods like getParameterMap(). The vulnerability affects multiple Red Hat products including Enterprise Linux 8, 9, and 10, JBoss Enterprise Application Platform 7 and 8, Red Hat Fuse 7, and several Apache Camel variants. An attacker with network access and no authentication can exhaust server disk resources with moderate attack complexity, causing service unavailability.
ncmdump versions before 1.4.0 contain a null pointer dereference vulnerability in the cJSON.cpp module that allows local attackers to cause a denial of service through application crash. An attacker with local access and user interaction can trigger this vulnerability to disable the affected ncmdump utility. A patch is available for affected users.
ConcreteCMS version 9.4.7 contains a memory exhaustion vulnerability in the File Manager's download functionality that allows authenticated attackers to trigger a Denial of Service condition. The vulnerability exists in the 'download' method of 'concrete/controllers/backend/file.php', where improper memory management during zip archive creation using ZipArchive::addFromString combined with file_get_contents loads entire file contents into PHP memory without streaming or size validation. An attacker with valid authentication credentials can exploit this by requesting bulk downloads of large files, exhausting available PHP memory and causing the PHP-FPM process to crash with a SIGSEGV signal, rendering the web application unavailable with HTTP 500 errors.
A regular expression denial of service (ReDoS) vulnerability exists in Rails ActiveSupport's NumberToDelimitedConverter, which uses gsub! with an inefficient regex pattern to insert thousands delimiters into numeric strings. An attacker can craft excessively long digit strings that cause quadratic time complexity, leading to CPU exhaustion and denial of service. Patches are available from the Rails project for versions 7.2.3.1, 8.0.4.1, and 8.1.2.1, and the vulnerability is tagged as a denial of service issue affecting the activesupport gem.
A Denial-of-Service vulnerability exists in the httpd component of TP-Link TD-W8961N v4.0 routers, caused by improper input sanitization (CWE-20) that allows attackers to craft malicious requests triggering httpd service crashes. The vulnerability enables service interruption and network unavailability for affected users. Although no CVSS score or EPSS metric is publicly available, a vendor patch is already available, indicating acknowledgment of the issue's severity and exploitability.
cgltf versions 1.15 and earlier are vulnerable to integer overflow in sparse accessor validation that enables local attackers to craft malicious glTF/GLB files triggering heap buffer over-reads. Exploitation causes denial of service through application crashes and may leak sensitive memory contents. No patch is currently available for this high-severity vulnerability (CVSS 8.4).
Blob Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the key entry mechanism. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Liquid Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Luminance Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Paint Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the key entry mechanism. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Pixel Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Tree Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
AdminExpress 1.2.5 contains a denial of service vulnerability that allows local attackers to crash the application by submitting oversized input through the System Compare feature. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
libsoup's SoupServer contains a use-after-free vulnerability in the soup_server_disconnect() function that prematurely frees connection objects while TLS handshakes are pending, allowing remote unauthenticated attackers to trigger a server crash via denial of service when a handshake completes after memory deallocation. The vulnerability affects Red Hat Enterprise Linux versions 6, 7, 8, 9, and 10, as well as Ubuntu and Debian distributions across multiple releases. No public exploit code or active exploitation has been confirmed at the time of analysis.
Tandoor Recipes versions prior to 2.6.0 allow authenticated remote attackers to cause denial of service by injecting URL parameters into the USDA FoodData Central search endpoint through improper URL encoding of the query parameter, enabling API key override and server crashes via malformed requests. Publicly available exploit code exists, and a vendor-released patch is available in version 2.6.0.
path-to-regexp versions prior to 8.4.0 are vulnerable to Regular Expression Denial of Service (ReDoS) when processing multiple wildcard parameters combined with path parameters in specific configurations. Unauthenticated remote attackers can craft malicious path patterns containing multiple wildcards (not at the end) to trigger catastrophic regex backtracking, causing denial of service against applications using the affected library. No public exploit code or active exploitation has been confirmed at time of analysis.
Brace-expansion library versions prior to 5.0.5 allow unauthenticated remote attackers to cause denial of service through resource exhaustion by supplying brace expansion patterns with zero step values (e.g., {1..2..0}), triggering an infinite loop that consumes gigabytes of memory and hangs the process for seconds. The vulnerability affects any application passing untrusted input to the expand() function, including glob/minimatch-based tools consuming CLI arguments or configuration files, and requires only 10 bytes of malicious input to trigger.
Stirling-PDF versions 2.1.5 through 2.5.1 are vulnerable to resource exhaustion denial of service through the watermark API endpoint, where authenticated users can supply extreme values for fontSize and widthSpacer parameters to crash the server. A proof-of-concept exists according to SSVC data, and the vendor has released patched version 2.5.2 to resolve the issue.
EVerest charging software stack versions prior to 2026.02.0 contain a use-after-free vulnerability in the ISO15118_chargerImpl::handle_session_setup function that crashes the EVSE process when session setup commands are issued after ISO15118 initialization failure. Remote attackers with MQTT access can trigger this denial of service condition by sending a crafted session_setup command, causing the process to reference freed memory (v2g_ctx). A vendor-released patch is available in version 2026.02.0.
Mattermost server versions 10.11.x through 11.4.x fail to validate decompressed archive entry sizes during ZIP file extraction, allowing authenticated users with file upload permissions to trigger denial of service by uploading crafted zip bombs that exhaust server memory. The vulnerability affects Mattermost 10.11.0-10.11.11, 11.2.0-11.2.3, 11.3.0-11.3.1, and 11.4.0, with CVSS 6.5 (medium) reflecting the requirement for prior authentication and limited scope (availability impact only). No public exploit identified at time of analysis, though the attack vector is network-accessible and requires low complexity once an attacker has valid upload credentials.
Mattermost Plugins versions 11.4 and earlier fail to validate incoming request sizes on webhook endpoints, allowing authenticated attackers to trigger denial of service by sending oversized requests. The vulnerability affects multiple Mattermost release branches (10.x, 11.0.x, 11.1.x, 11.3.x) and has been assigned CVSS 4.9 (medium severity) with no public exploit identified at time of analysis. While exploitability requires high-privilege authentication and manual intervention, the lack of request size enforcement on webhooks represents a fundamental input validation gap that could disrupt service availability in production environments.
Polkit's polkit-agent-helper-1 setuid binary fails to bound input length on stdin, allowing local authenticated users to trigger out-of-memory conditions and deny system availability. An attacker with local login privileges can supply excessively long input to exhaust memory resources, causing a system-wide denial of service. No public exploit code or active exploitation has been confirmed at the time of analysis.
River Past Audio Converter 7.7.16 contains a local buffer overflow vulnerability in the activation code field that allows local attackers to crash the application by supplying an oversized input. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
MyVideoConverter Pro 3.14 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying an excessively long string to the registration code input field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
AnyBurn 4.3 contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the image file name field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Excel Password Recovery Professional 8.2.0.0 contains a local buffer overflow vulnerability that allows attackers to cause a denial of service by supplying an excessively long string to the 'E-Mail. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
MegaPing contains a local buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload to the Destination Address List field in the Finger. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Allok Video Splitter 3.1.1217 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service or execute arbitrary code by supplying an oversized string in the. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
HCL Aftermarket DPC version 1.0.0 is vulnerable to excessive spamming that consumes server bandwidth and processing resources, potentially causing denial of service to legitimate users. The vulnerability requires user interaction (UI:R per CVSS vector) and is remotely exploitable without authentication, resulting in partial availability impact. No public exploit code or active exploitation has been identified at time of analysis, though the low barrier to exploitation (AC:L) makes this a practical attack vector for resource exhaustion.
Linux kernel ICMP tag validation routines fail to check for NULL protocol handler pointers before dereferencing them, causing kernel panics in softirq context when processing fragmentation-needed errors with unregistered protocol numbers and ip_no_pmtu_disc hardened mode enabled. The vulnerability affects multiple Linux kernel versions across stable branches (6.1, 6.6, 6.12, 6.18, 6.19, and 7.0-rc5), with an EPSS score of 0.02% (7th percentile) indicating low real-world exploitation probability. No public exploit code or active exploitation has been confirmed; the fix requires adding a NULL pointer check in icmp_tag_validation() before accessing icmp_strict_tag_validation.
Linux kernel mac80211 mesh networking crashes on NULL pointer dereference when processing Channel Switch Announcement (CSA) action frames lacking Mesh Configuration IE, allowing adjacent WiFi attackers to trigger kernel panic (DoS) via crafted frames. Affects multiple stable kernel versions (6.1.167, 6.6.130, 6.12.78, 6.18.20, 6.19.10, 7.0-rc5 and earlier); EPSS exploitation probability is 0.02% (low), no public exploit identified, and upstream fixes are available across all affected release branches.
Uncontrolled recursion in the Markdown Handler component of Orc discount up to version 3.0.1.2 causes denial of service through malformed deeply-nested blockquote inputs, affecting local users who process untrusted markdown files. Public exploit code exists for this vulnerability, and no patch is currently available. The issue requires local access and low privileges to trigger but can crash the application.
Kirby CMS versions through 5.1.4 allow authenticated editors to trigger a persistent denial of service by uploading malformed images that bypass getimagesize() validation, causing fatal TypeErrors during metadata or thumbnail processing. A proof-of-concept exists and the vulnerability is automatable post-authentication, though no CISA KEV confirmation is evident. The impact is availability degradation affecting CMS operations for all users.
Rails Active Storage's proxy controller fails to limit the number of byte ranges accepted in HTTP Range headers, allowing attackers to craft requests with thousands of small ranges that consume disproportionate CPU resources compared to legitimate file requests. This denial-of-service vulnerability affects Ruby on Rails applications using the ActiveStorage library (pkg:rubygems/activestorage). An attacker can trigger resource exhaustion by sending Range requests with many byte ranges, potentially rendering the application unavailable to legitimate users.
This vulnerability in pypdf allows an attacker to craft a malicious PDF file that triggers an infinite loop when processed in non-strict mode, resulting in a denial of service condition. The affected product is pypdf (Python package available via pip), and the vulnerability has been patched in version 6.9.2. While no CVSS score or EPSS data is currently available, the vulnerability is classified as a denial of service issue stemming from improper loop handling (CWE-835: Infinite Loop).
GitLab CE/EE contains a denial of service vulnerability in webhook configuration processing that allows authenticated users to consume excessive server resources, affecting versions 16.10 through 18.10.0. An attacker with valid GitLab credentials can trigger this issue by submitting specially crafted webhook configuration inputs, resulting in application unavailability. A proof-of-concept exploit is publicly available via HackerOne, and patches are available for affected versions.
GitLab CE/EE contains a denial of service vulnerability in CI-related input handling that allows authenticated users to consume excessive server resources, potentially rendering the service unavailable. Versions 13.7 through 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 are affected across all GitLab installations. A publicly available proof-of-concept exists from HackerOne (report 3418149), though CISA has not flagged this for active exploitation in the wild, and the SSVC framework indicates no evidence of current weaponization despite automatable characteristics being unavailable.
Mattermost fails to properly sanitize external SVG rendering in link embeds, allowing unauthenticated users to trigger denial-of-service conditions in both web and desktop applications. An attacker can create a malicious GitHub issue or pull request containing a crafted external SVG that crashes the Mattermost webapp and desktop client when the link is embedded. This vulnerability affects Mattermost versions 11.4.0 and below, 11.3.1 and below, 11.2.3 and below, and 10.11.11 and below, with a CVSS score of 4.3 indicating low-to-moderate severity focused on availability impact rather than confidentiality or integrity.
Mattermost versions 11.4.0, 11.3.x through 11.3.1, 11.2.x through 11.2.3, and 10.11.x through 10.11.11 lack proper rate limiting on login endpoints, allowing unauthenticated attackers to trigger denial of service through HTTP/2 single packet attacks delivering 100+ parallel login requests. This causes server crashes and forced restarts. While the CVSS score of 4.3 is moderate and requires low attack complexity over the network, the vulnerability enables complete service disruption without authentication.
Improper validation of malformed SCP requests in Cisco IOS XE Software allows authenticated local attackers to trigger unexpected device reloads and cause service disruption. An attacker with low privileges can exploit this vulnerability by sending a crafted SSH command to the SCP server component. No patch is currently available for this denial of service vulnerability.
Insufficient privilege validation on the start maintenance command in Cisco IOS XE Software enables authenticated local attackers to trigger a denial of service by placing devices into maintenance mode, which disables network interfaces. Low-privileged users can exploit this via CLI access without administrative credentials. Device recovery requires administrator intervention using the stop maintenance command.
Nanoleaf Lines firmware versions prior to 12.3.6 lack authentication controls on firmware file upload endpoints, allowing remote unauthenticated attackers to upload arbitrary files to the device. This vulnerability enables denial-of-service attacks through storage resource exhaustion and potential firmware tampering without requiring valid credentials or user interaction. The vulnerability has a CVSS score of 6.5 (Medium) with network-based attack vector and low complexity, and is tagged with denial-of-service impact indicators in CISA reporting.
BIND 9 DNS server crashes when processing specially crafted TSIG-authenticated queries containing TKEY records, affecting versions 9.20.0-9.20.20, 9.21.0-9.21.19, and 9.20.9-S1-9.20.20-S1 on Ubuntu, SUSE, and Debian systems. An authenticated attacker with a valid TSIG key can trigger a denial of service by sending a malformed query, disrupting DNS resolution services. A patch is available for affected installations.
This vulnerability affects multiple Linux kernel HID (Human Interface Device) drivers that lack proper validation checks when processing raw event callbacks from unclaimed HID devices. An attacker could connect a malicious or broken HID device to trigger a NULL pointer dereference in affected drivers, causing a kernel crash and denial of service. The vulnerability was identified as a gap in security hardening following a similar fix applied to the appleir driver, and patches are available across multiple stable kernel branches.
A NULL pointer dereference vulnerability exists in the Linux kernel's bridge networking module when IPv6 is disabled via the 'ipv6.disable=1' boot parameter. When Neighbor Discovery (ND) suppression is enabled on a bridge, an ICMPv6 packet reaching the bridge causes the kernel to dereference a NULL pointer in the nd_tbl structure, resulting in a kernel panic and denial of service. This affects all Linux kernel versions with this code path, and while no CVSS score or EPSS data is currently available, the vulnerability is readily triggered through network packet receipt on systems with specific boot configurations.
A vulnerability in the Linux kernel's Transparent Huge Pages (THP) subsystem incorrectly enables THP for files on anonymous inodes (such as guest_memfd and secretmem), which were not designed to support large folios. This can trigger kernel crashes via memory copy operations on unmapped memory in secretmem, or WARN_ON conditions in guest_memfd fault handlers. The vulnerability affects Linux kernel versions across multiple stable branches and requires a kernel patch to remediate; while not known to be actively exploited in the wild, the condition can be triggered locally by unprivileged users through madvise() syscalls.
A race condition in the Linux kernel's i801 I2C driver causes a kernel NULL pointer dereference and panic during boot when multiple udev threads concurrently access the ACPI I/O handler region. The vulnerability affects Linux kernel versions running the i2c_i801 driver on systems with Intel i801 chipsets. An attacker with local access or the ability to trigger concurrent device enumeration during boot can crash the system, resulting in denial of service.
A NULL pointer dereference vulnerability exists in the Linux kernel's DRM client subsystem within the drm_client_modeset_probe function. When memory allocation for the 'modes' variable fails via kcalloc, the error handling path incorrectly attempts to destroy a NULL pointer, leading to a kernel panic or denial of service. This affects all Linux kernel versions containing this vulnerable code path in the DRM display driver subsystem.
The Linux kernel kalmia USB driver fails to validate that connected USB devices have the required endpoints before binding to them, allowing a malicious or malformed USB device to trigger a kernel crash during endpoint access. This denial-of-service vulnerability affects all Linux kernel versions running the kalmia driver (net/usb/kalmia.c) and requires physical USB device connection or local control of USB device enumeration. While no CVSS score or EPSS probability is formally assigned, the vulnerability has been patched across multiple stable kernel branches, indicating recognition of the issue's severity.
A logic error in the Linux kernel's DRBD (Distributed Replicated Block Device) subsystem causes drbd_al_begin_io_nonblock() to fail silently when activity log extent acquisition fails due to spinlock contention, leading to loss of mutual exclusivity guarantees between resync and application I/O operations. This vulnerability affects all Linux kernel versions with the affected DRBD code and can result in kernel crashes via BUG_ON() assertions when activity log references are incorrectly released, as well as potential data consistency issues during active resync operations when concurrent application I/O proceeds without proper exclusivity enforcement.
A null pointer dereference vulnerability exists in the Linux kernel's ice network driver that crashes the system during ethtool offline loopback tests. The vulnerability affects Linux kernel versions running the ice driver (Intel Ethernet Controller driver), and an attacker with local access and CAP_NET_ADMIN privileges can trigger a kernel panic (denial of service) by executing ethtool loopback self-tests. No active exploitation or public POC has been reported; patches are available in stable kernel releases.
A NULL pointer dereference vulnerability exists in the Linux kernel's HID pidff (PID force feedback) driver due to incomplete clearing of conditional effect bits from the ffbit field. This affects all Linux kernel versions using the vulnerable pidff driver code. An attacker with local access to a system with a connected force feedback HID device could trigger a kernel panic, causing a denial of service. No CVSS score, EPSS score, or active KEV status is currently available, but three stable kernel commits addressing this issue have been merged, indicating the vulnerability has been formally patched.
A race condition exists in the Linux kernel's CXL (Compute Express Link) subsystem where the nvdimm_bus object can be invalidated while orphaned nvdimm objects attempt to reprobe, leading to a NULL pointer dereference in kobject_get() during device registration. This affects Linux kernels with CXL support enabled, allowing a local attacker or system administrator to trigger a kernel panic (denial of service) through module unload/reload sequences or specific timing during CXL ACPI probe operations. No active exploitation in the wild has been reported, but the vulnerability is easily reproducible via the cxl-translate.sh unit test with minimal timing manipulation.
A null pointer dereference vulnerability exists in the Linux kernel's AMD XDNA accelerator driver (accel/amdxdna) that can cause a kernel crash when userspace attempts to destroy a hardware context that has been automatically suspended. The vulnerability affects all Linux kernel versions with the vulnerable amdxdna driver code path; an unprivileged local user with access to the driver's ioctl interface can trigger a denial of service by issuing a destroy context command on a suspended context, causing the kernel to crash when accessing a NULL mailbox channel pointer. No CVSS score, EPSS data, or KEV status is currently available, but the vulnerability is classified as a denial of service with straightforward triggering conditions.
A validation bypass vulnerability exists in the Linux kernel's netfilter nft_set_rbtree module that fails to properly validate overlapping open intervals in packet filtering rule sets. This affects all Linux distributions running vulnerable kernel versions, allowing local or remote attackers with network configuration privileges to bypass firewall rules through malformed interval specifications. The vulnerability is classified as an information disclosure issue and has been patched upstream, though no active exploitation in the wild has been documented.
A NULL pointer dereference vulnerability exists in the Linux kernel's intel_pstate CPU frequency scaling driver that crashes the system when turbo boost is disabled on systems with CPU count limitations. This affects Linux kernel versions across multiple releases where the system is booted with 'nosmt' or 'maxcpus' kernel parameters and a user or administrator attempts to disable turbo via sysfs. An unprivileged local attacker with write access to /sys/devices/system/cpu/intel_pstate/no_turbo can trigger a kernel panic, resulting in denial of service. The vulnerability has been patched and fixes are available across multiple stable kernel branches.
A NULL pointer dereference vulnerability exists in the Linux kernel's AMD XDena accelerator driver (accel/amdxdna) where the mgmt_chann variable may be set to NULL if firmware returns an unexpected error during management message transmission, subsequently causing a kernel crash when aie2_hw_stop() attempts to access it. This affects Linux kernel versions across the amdxdna subsystem and can be exploited by local attackers with physical access or through malicious firmware to trigger a denial of service condition. Two stable kernel patches are available that introduce proper NULL checks and a dedicated helper function to safely destroy mgmt_chann.
A lifecycle management vulnerability in the Linux kernel's USB NCM (Network Control Model) gadget function causes the network device to outlive its parent gadget device, resulting in NULL pointer dereferences and dangling sysfs symlinks when the USB gadget is disconnected. This affects all Linux kernel versions with the vulnerable USB gadget NCM implementation, and an attacker with local access to trigger USB gadget bind/unbind cycles can cause a kernel panic (denial of service). No CVSS vector, EPSS score, or active KEV status is available, but patches are confirmed available in the Linux stable tree.
The Linux kernel's kaweth USB driver fails to validate that probed USB devices have the expected number and types of endpoints before binding to them, allowing a malicious or malformed USB device to cause a kernel crash when the driver blindly accesses non-existent endpoints. This denial-of-service vulnerability affects Linux kernel versions across multiple stable branches and can be triggered by any user with the ability to connect a crafted USB device to a system running the vulnerable kernel. While CVSS and EPSS scores are not available, the vulnerability represents a straightforward crash vector with no reported active exploitation but patches are available across multiple kernel versions.
A NULL pointer dereference vulnerability exists in the Linux kernel's event tracing subsystem, specifically in the trigger_data_free() function which fails to validate NULL pointers before dereferencing the data->cmd_ops field. This affects all Linux kernel versions where the vulnerable tracing code is present, and can be exploited by local attackers with appropriate privileges to cause a denial of service through kernel panic. The vulnerability was discovered through automated code review rather than active exploitation in the wild, and patches have been committed to stable kernel branches.
A NULL pointer dereference vulnerability exists in the Linux kernel's IPv6 routing code within the ip6_rt_get_dev_rcu() function, triggered when a slave device is being un-slaved from a Virtual Routing and Forwarding (VRF) context. The vulnerability affects all Linux kernel versions with the affected code path and can be exploited to cause a kernel panic and denial of service. This issue was introduced by commit 4832c30d5458 which removed the fallback to loopback device handling, and multiple stable kernel branches have received patches to restore the NULL pointer check and fallback logic.
A kernel panic vulnerability exists in Linux IPv6 nexthop handling where standalone IPv6 nexthop objects created with loopback devices are misclassified as reject routes, causing the nhc_pcpu_rth_output field to remain unallocated. When an IPv4 route subsequently references this nexthop, a NULL pointer dereference in __mkroute_output() triggers a kernel panic, resulting in denial of service. All Linux kernel versions with IPv6 nexthop support are affected, and the vulnerability is remotely triggerable by unprivileged users with network configuration capabilities.
A denial-of-service vulnerability exists in the Linux kernel's ucan (CAN-over-USB) driver where malformed USB messages with a zero-length field cause an infinite loop in the ucan_read_bulk_callback() function, hanging the entire system. An attacker with physical access to a USB port can connect a malicious or compromised CAN device to trigger this condition, rendering the affected system unresponsive. While no CVSS or EPSS scores are available, the vulnerability is confirmed as patched across multiple stable kernel branches with six commits addressing the issue.
A NULL pointer dereference vulnerability exists in the Linux kernel's VXLAN implementation when IPv6 is disabled via the 'ipv6.disable=1' boot parameter. When an IPv6 packet is injected into a VXLAN interface, the route_shortcircuit() function attempts to call neigh_lookup() on an uninitialized nd_tbl (neighbor discovery table), causing a kernel panic and denial of service. This affects all Linux distributions shipping vulnerable kernel versions, and while no CVSS score or EPSS data is provided, the presence of six stable kernel commits and reproducible crash conditions indicates high practical impact.
The pegasus USB network driver in the Linux kernel fails to validate that connected USB devices have the proper number and types of endpoints before binding to them, allowing a malicious USB device to trigger a kernel crash through null pointer dereference or out-of-bounds memory access. This denial-of-service vulnerability affects Linux kernel versions across multiple stable branches, as evidenced by patches applied to at least six different kernel maintenance branches. An attacker with physical access to a target system or the ability to inject a crafted USB device into the network could crash the kernel without authentication or elevated privileges, though no public exploit code or active exploitation in the wild has been reported.
A null pointer dereference vulnerability exists in the Linux kernel's ATM LANE module (lec_arp_clear_vccs function) where multiple ARP entries can share the same virtual circuit connection (VCC). When a VCC is closed, the kernel iterates through ARP entries and clears associated VCC pointers; if multiple entries share the same VCC, the first iteration frees the vpriv structure and sets it to NULL, causing subsequent iterations to crash when attempting to dereference the now-NULL pointer. A local attacker can trigger this denial of service condition through crafted ATM socket operations, as demonstrated by existing syzkaller reproducers.
A null-pointer dereference vulnerability exists in the Linux kernel's DRBD (Distributed Replicated Block Device) subsystem when handling local read errors. When a READ_COMPLETED_WITH_ERROR event occurs in drbd_request_endio(), a NULL peer_device pointer is passed to the __req_mod() function, which then unconditionally dereferences it in drbd_set_out_of_sync(), causing a kernel panic or system crash. This affects all Linux kernel versions with the vulnerable DRBD code, and while not actively exploited in the wild, it can be triggered by a local user or administrator through normal disk I/O error conditions, resulting in denial of service.
A NULL pointer dereference vulnerability exists in the Linux kernel's mac80211 mesh networking subsystem (CVE-2026-23279), specifically in the mesh_rx_csa_frame() function which fails to validate the presence of the Mesh Channel Switch Parameters IE before dereferencing it. A remote attacker with an established mesh peer link can trigger a kernel panic by sending a crafted SPECTRUM_MGMT/CHL_SWITCH action frame that includes matching Mesh ID and configuration elements but omits the required Channel Switch Parameters IE. This vulnerability affects all Linux kernel versions since v3.13 (January 2014) and requires no special authentication beyond the default open mesh peering, making it a trivial denial-of-service vector against systems with mesh networking enabled.
Denial-of-service attacks against multiple Apple platforms (iOS, iPadOS, macOS, tvOS, visionOS, and watchOS) result from improper null pointer handling that allows attackers in privileged network positions to crash affected systems. An attacker exploiting this CWE-476 vulnerability can render devices unavailable without user interaction. No patch is currently available, requiring users to apply mitigations until updates are released.
Apple's iOS, iPadOS, macOS, tvOS, visionOS, and watchOS contain a use-after-free vulnerability that could allow remote attackers to crash affected applications by processing maliciously crafted web content. The vulnerability stems from improper memory management and requires user interaction to exploit. No patch is currently available, leaving users vulnerable until official updates are released.
Denial of service in Apple iOS, iPadOS, and macOS due to a use-after-free memory corruption vulnerability allows local attackers to trigger unexpected system termination. The flaw affects multiple Apple platforms including iOS 18.x, macOS Sequoia, Sonoma, and Tahoe versions. No patch is currently available.
NATS.io nats-server WebSockets service is vulnerable to unbounded memory consumption when malicious unauthenticated clients connect and transmit large amounts of data. This denial-of-service vulnerability affects versions before v2.12.6 or v2.11.15 and has a moderate CVSS score of 5.3 (CWE-770: Allocation of Resources Without Limits or Throttling). Unlike the related CVE-2026-27571 compression bomb variant, this attack requires significant client-side bandwidth rather than algorithmic compression exploitation.
NVIDIA Triton Inference Server contains a race condition vulnerability (CWE-362) that allows unauthenticated remote attackers to corrupt internal server state, resulting in a denial of service. The vulnerability affects NVIDIA Triton Inference Server across multiple versions and can be exploited over the network with low attack complexity requiring no privileges or user interaction. With a CVSS score of 7.5 (High) and an EPSS score not provided, this represents a significant availability risk for organizations running AI/ML inference workloads.
NVIDIA Triton Inference Server's Sagemaker HTTP server contains a race condition vulnerability that allows unauthenticated remote attackers to trigger an exception, resulting in denial of service. The vulnerability affects NVIDIA Triton Inference Server deployments using the Sagemaker HTTP server component and can be exploited over the network without authentication or user interaction. There is no indication of active exploitation (not in CISA KEV), and EPSS data was not provided, but the CVSS score of 7.5 (High) reflects the ease of exploitation.
NVIDIA APEX for Linux contains a deserialization of untrusted data vulnerability that affects environments using PyTorch versions earlier than 2.6. An attacker with low privileges on an adjacent network can exploit this flaw to achieve code execution, denial of service, privilege escalation, data tampering, and information disclosure with scope change (CVSS 9.0 Critical). No KEV listing or public POC availability has been reported at this time.
This vulnerability in NVIDIA's B300 MCU (specifically the CX8 MCU component) allows privileged attackers with network access to modify unsupported hardware registries, potentially causing denial of service and data tampering. The flaw affects HGX and DGX B300 systems and requires high privileges and non-trivial attack complexity to exploit, though no public exploit code or active exploitation has been reported at this time. SSVC assessment indicates the vulnerability presents partial technical impact with no known automated exploitation capability.
NVIDIA SNAP-4 Container contains a buffer size calculation vulnerability in its configuration interface that allows an authenticated attacker on the same virtualized environment to trigger a denial of service condition. An attacker with local VM access and low-level privileges can send specially crafted configuration payloads that cause incorrect buffer size calculations, resulting in crashes of the SNAP storage service and loss of storage availability to the host. There is currently no evidence of active exploitation or public proof-of-concept code, and the SSVC framework indicates no known exploitation has occurred, though the vulnerability is automatable in principle.
NVIDIA SNAP-4 Container contains a use-of-out-of-range pointer offset vulnerability in the VIRTIO-BLK component that allows a malicious guest VM to trigger memory corruption and denial of service. The vulnerability affects NVIDIA SNAP-4 Container across all versions as indicated by the CPE string. A successful exploit results in denial of service to the DPA (Data Processing Appliance) and impacts storage availability to other VMs, though no code execution or information disclosure is possible. There is no evidence of active exploitation in the wild (KEV status indicates none), and the CVSS score of 6.8 reflects moderate severity with high availability impact but limited exploitability due to requiring adjacent network access and user privileges.
A command injection vulnerability (CVSS 6.7). Remediation should follow standard vulnerability management procedures. Vendor patch is available.
A SQL injection vulnerability (CVSS 5.3). Remediation should follow standard vulnerability management procedures. Vendor patch is available.
Astro web framework versions prior to 10.0.0 contain an unbounded JSON parsing vulnerability in the Server Islands POST handler that allows unauthenticated remote attackers to exhaust server memory and cause denial of service. The vulnerability affects all Astro SSR applications using the Node standalone adapter, regardless of whether Server Islands functionality is actually used, because the request body is parsed before route validation occurs. An attacker can craft a payload containing many small JSON objects to achieve approximately 15x memory amplification, crashing the process with a single malicious request.
LibVNCServer versions 0.9.15 and earlier contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpd.c that allow remote attackers to cause denial of service by sending specially crafted HTTP requests. The vulnerability affects systems with both httpd and proxy features enabled, and while no CVSS score or EPSS data is currently available, the presence of a public patch and vendor advisory indicates this is a recognized security issue requiring prompt attention.
WinAVI iPod/3GP/MP4/PSP Converter 4.4.2 contains a denial of service vulnerability that allows local attackers to crash the application by processing malformed AVI files. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
WinMPG Video Convert 9.3.5 and older versions contain a buffer overflow vulnerability in the registration dialog that allows local attackers to crash the application by supplying oversized input. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Unauthenticated SQL injection in Bootstrapy CMS allows remote attackers to extract sensitive database information or cause denial of service through multiple POST parameters in forum and contact modules. The vulnerability affects forum-thread.php (thread_id), contact-submit.php (subject), and post-new-submit.php (post-id) endpoints. Public exploit code exists via Exploit-DB #46590, though EPSS probability remains low at 0.06% (19th percentile), suggesting limited real-world exploitation despite ease of attack (AV:N/AC:L/PR:N). SSVC framework confirms proof-of-concept availability and automated exploitation potential with partial technical impact.
SQL injection in Inout Article Base CMS allows remote unauthenticated attackers to extract sensitive database information or cause denial of service through malicious XOR-based and time-based SQL payloads injected via 'p' and 'u' parameters in GET requests to portalLogin.php. Public exploit code demonstrates the attack (Exploit-DB 46593), though EPSS scoring indicates low probability of widespread exploitation (0.06%, 19th percentile). No vendor patch has been identified, and the vendor website reference provides no security advisory, leaving deployments at continued risk.
Meeplace Business Review Script contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'id' parameter. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A NULL pointer dereference vulnerability exists in MolotovCherry Android-ImageMagick7 before version 7.1.2-10 that allows local attackers with user interaction to trigger a denial of service condition by crashing the application. The vulnerability affects the Android-ImageMagick7 library (CWE-476) and requires local access and user interaction to exploit, resulting in high availability impact but no confidentiality or integrity compromise. A patch is available from the vendor via GitHub pull request #183.
A Use After Free (UAF) vulnerability exists in No-Chicken Echo-Mate prior to version V250329, allowing an attacker with high privileges to cause memory corruption that may lead to information disclosure, data integrity violations, or denial of service. The vulnerability is classified as CWE-416 and carries a CVSS score of 6.4; a security patch is available from the vendor via GitHub pull request.
A NULL pointer dereference vulnerability exists in tmate versions prior to 2.4.0, allowing unauthenticated remote attackers to cause a denial of service condition by crashing the application. The vulnerability has a CVSS score of 5.3 (medium severity) with low attack complexity and no privilege requirements, making it readily exploitable over the network. A patch is available from the vendor, and this issue does not compromise confidentiality or integrity-only availability.
A resource exhaustion vulnerability exists in Undertow where remote attackers can send HTTP GET requests with multipart/form-data content to trigger premature parsing and disk storage of request data, leading to Denial of Service when applications use parameter retrieval methods like getParameterMap(). The vulnerability affects multiple Red Hat products including Enterprise Linux 8, 9, and 10, JBoss Enterprise Application Platform 7 and 8, Red Hat Fuse 7, and several Apache Camel variants. An attacker with network access and no authentication can exhaust server disk resources with moderate attack complexity, causing service unavailability.
ncmdump versions before 1.4.0 contain a null pointer dereference vulnerability in the cJSON.cpp module that allows local attackers to cause a denial of service through application crash. An attacker with local access and user interaction can trigger this vulnerability to disable the affected ncmdump utility. A patch is available for affected users.
ConcreteCMS version 9.4.7 contains a memory exhaustion vulnerability in the File Manager's download functionality that allows authenticated attackers to trigger a Denial of Service condition. The vulnerability exists in the 'download' method of 'concrete/controllers/backend/file.php', where improper memory management during zip archive creation using ZipArchive::addFromString combined with file_get_contents loads entire file contents into PHP memory without streaming or size validation. An attacker with valid authentication credentials can exploit this by requesting bulk downloads of large files, exhausting available PHP memory and causing the PHP-FPM process to crash with a SIGSEGV signal, rendering the web application unavailable with HTTP 500 errors.
A regular expression denial of service (ReDoS) vulnerability exists in Rails ActiveSupport's NumberToDelimitedConverter, which uses gsub! with an inefficient regex pattern to insert thousands delimiters into numeric strings. An attacker can craft excessively long digit strings that cause quadratic time complexity, leading to CPU exhaustion and denial of service. Patches are available from the Rails project for versions 7.2.3.1, 8.0.4.1, and 8.1.2.1, and the vulnerability is tagged as a denial of service issue affecting the activesupport gem.
A Denial-of-Service vulnerability exists in the httpd component of TP-Link TD-W8961N v4.0 routers, caused by improper input sanitization (CWE-20) that allows attackers to craft malicious requests triggering httpd service crashes. The vulnerability enables service interruption and network unavailability for affected users. Although no CVSS score or EPSS metric is publicly available, a vendor patch is already available, indicating acknowledgment of the issue's severity and exploitability.
cgltf versions 1.15 and earlier are vulnerable to integer overflow in sparse accessor validation that enables local attackers to craft malicious glTF/GLB files triggering heap buffer over-reads. Exploitation causes denial of service through application crashes and may leak sensitive memory contents. No patch is currently available for this high-severity vulnerability (CVSS 8.4).
Blob Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the key entry mechanism. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Liquid Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Luminance Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Paint Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the key entry mechanism. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Pixel Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Tree Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
AdminExpress 1.2.5 contains a denial of service vulnerability that allows local attackers to crash the application by submitting oversized input through the System Compare feature. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.