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Denial of Service

other MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

How It Works

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions. Attackers exploit asymmetry: minimal attacker effort produces disproportionate resource consumption on the target. Application-level attacks use specially crafted inputs that trigger expensive operations—a regex engine processing malicious patterns can backtrack exponentially, or XML parsers recursively expand entities until memory exhausts. Network-level attacks flood targets with connection requests or amplify traffic through reflection, but application vulnerabilities often provide the most efficient attack surface.

The attack typically begins with reconnaissance to identify resource-intensive operations or unprotected endpoints. For algorithmic complexity attacks, adversaries craft inputs hitting worst-case performance—hash collision inputs filling hash tables with collisions, deeply nested JSON triggering recursive parsing, or pathological regex patterns like (a+)+b against strings of repeated 'a' characters. Resource exhaustion attacks open thousands of connections, upload massive files to unbounded storage, or trigger memory leaks through repeated operations. Crash-based attacks target error handling gaps: null pointer dereferences, unhandled exceptions in parsers, or assertion failures that terminate processes.

Impact

  • Service unavailability preventing legitimate users from accessing applications during attack duration
  • Revenue loss from downtime in e-commerce, SaaS platforms, or transaction processing systems
  • Cascading failures as resource exhaustion spreads to dependent services or database connections pool out
  • SLA violations triggering financial penalties and damaging customer trust
  • Security team distraction providing cover for data exfiltration or intrusion attempts running concurrently

Real-World Examples

CVE-2018-1000544 in Ruby's WEBrick server allowed ReDoS through malicious HTTP headers containing specially crafted patterns that caused the regex engine to backtrack exponentially, freezing request processing threads. A single attacker could saturate all available workers.

Cloudflare experienced a global outage in 2019 when a single WAF rule containing an unoptimized regex hit pathological cases on legitimate traffic spikes. The .*(?:.*=.*)* pattern exhibited catastrophic backtracking, consuming CPU cycles across their edge network until the rule was disabled.

CVE-2013-1664 demonstrated XML bomb vulnerabilities in Python's XML libraries. Attackers uploaded XML documents with nested entity definitions-each entity expanding to ten copies of the previous level. A 1KB upload could expand to gigabytes in memory during parsing, crashing applications instantly.

Mitigation

  • Strict input validation enforcing size limits, complexity bounds, and nesting depth restrictions before processing
  • Request rate limiting per IP address, API key, or user session with exponential backoff
  • Timeout enforcement terminating operations exceeding reasonable execution windows (typically 1-5 seconds)
  • Resource quotas limiting memory allocation, CPU time, and connection counts per request or tenant
  • Regex complexity analysis using linear-time algorithms or sanitizing patterns to eliminate backtracking
  • Circuit breakers automatically rejecting requests when error rates or latency thresholds indicate degradation
  • Load balancing and autoscaling distributing traffic across instances with automatic capacity expansion

Recent CVEs (39731)

EPSS 0% CVSS 7.5
HIGH This Week

Denial of service in the UTT nv518G gateway/router (firmware nv518GV3 v3.2.7-210919-161313) allows a remote, unauthenticated attacker to crash the device by triggering a buffer overflow in the gohead web-service handler at function sub_472f08 (FUN_00472f08). The CVSS 3.1 score of 7.5 reflects availability-only impact (A:H, C:N/I:N) over the network with no privileges or user interaction. EPSS is low (0.22%, 13th percentile) and the CVE is not in CISA KEV; a third-party technical write-up exists on GitHub, but no active exploitation is confirmed.

Buffer Overflow Denial Of Service N A
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC PATCH This Week

DQL (Dgraph Query Language) injection in Dgraph's GraphQL-to-DQL query rewriter (versions <= v25.3.3) lets remote unauthenticated attackers inject arbitrary query blocks through the unauthenticated checkUserPassword GraphQL query. User-supplied password values are interpolated into a checkpwd() DQL call via fmt.Sprintf without escaping, so a double-quote breaks out of the string literal and appends attacker-controlled DQL. A working PoC exists (publicly available exploit code exists); the issue is not in CISA KEV and no active exploitation is reported, but server-side execution of injected blocks is confirmed, enabling schema/data enumeration and resource exhaustion.

Denial Of Service Nosql Injection Suse
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Denial of service in Apache ActiveMQ (versions before 5.19.8, and 6.0.0 before 6.2.7) lets an authenticated user crash the broker by sending a crafted OpenWire message whose property map declares an excessively large encoded size. Because the map is unmarshaled without validating the declared size against actual payload bounds, the broker pre-allocates massive memory and hits an OutOfMemory condition. No public exploit identified at time of analysis and the issue is not in CISA KEV, but the low attack complexity and availability of a vendor patch make it a practical operational concern for exposed brokers.

Denial Of Service Apache Red Hat +2
NVD VulDB
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Uncontrolled memory consumption in the Perl module JavaScript::Minifier::XS before version 0.16 lets remote attackers exhaust a long-lived process's memory by repeatedly triggering minify() calls. The XS cleanup code frees only the NodeSet structures while leaking every per-token contents buffer (and the entire NodeSet on the empty-list early-return paths), so each invocation leaks heap memory until the process is OOM-killed. CISA's SSVC marks exploitation as automatable with partial technical impact; no public exploit has been identified and it is not in CISA KEV, though the leak is trivially reachable in any service that minifies attacker-supplied JavaScript.

Denial Of Service Suse JavaScript +1
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in JavaScript::Minifier::XS before 0.16 (a Perl XS module) lets remote attackers crash any service that minifies untrusted JavaScript by supplying input whose first meaningful token is a slash - as little as a single '/' byte. The flaw is a NULL pointer dereference (CWE-476) reachable directly through the public minify() API, terminating the calling process. There is no public exploit identified at time of analysis and it is not in CISA KEV; EPSS is low (0.49%, 38th percentile), consistent with a crash-only availability bug rather than a code-execution target.

Denial Of Service Null Pointer Dereference Suse +2
NVD VulDB
EPSS 0% CVSS 8.2
HIGH PATCH This Week

Unauthenticated denial-of-service in MDEx, an Elixir/Erlang CommonMark parsing library, lets an attacker crash the entire BEAM virtual machine by feeding a crafted JSON document to MDEx.parse_document/2's {:json, ...} source. Because each unique node_type value is interned as a permanent BEAM atom that is never garbage collected, a single deeply nested document can mint hundreds of thousands of atoms and exhaust the ~1,048,576-atom table, aborting every process on the node. The flaw affects mdex 0.4.3 through 0.13.1, is fixed in 0.13.2, and has no public exploit identified at time of analysis.

Denial Of Service Mdex Leandrocp
NVD GitHub VulDB
EPSS 0% CVSS 7.3
HIGH PATCH This Week

Heap-based buffer overflow in libtiff's PixarLog codec decoder lets attackers crash or potentially execute code in any application that decodes a maliciously crafted PixarLog-compressed TIFF using the PIXARLOGDATAFMT_8BITABGR output format with a specific stride value. Any software linking libtiff for TIFF decoding is exposed, with impact ranging from denial of service to potential arbitrary code execution. No public exploit identified at time of analysis and the issue is not on the CISA KEV list, so exploitation is theoretical rather than observed.

RCE Buffer Overflow Denial Of Service +1
NVD VulDB
EPSS 0% CVSS 7.2
HIGH POC PATCH This Week

SQL injection in FrontAccounting's Audit Trail report handler (reporting/rep710.php) lets authenticated users holding the SA_GLANALYTIC permission run arbitrary SQL through the PARAM_2 and PARAM_3 POST parameters in all releases prior to 2.4.20. Attackers can extract arbitrary database contents via UNION-based injection or knock the application offline by amplifying SLEEP() across JOINed result sets to exhaust database connections. Publicly available exploit code exists (VulnCheck/Jiva Security writeup), but the issue is not in CISA KEV, so it is no public exploit identified as actively exploited.

Denial Of Service SQLi Frontaccounting
NVD GitHub
EPSS 1% CVSS 8.8
HIGH PATCH This Week

Arbitrary file overwrite in libzypp before 17.38.10 lets a remote attacker who controls a software repository plant crafted repository metadata (repomd/SUSE content files) with '../' location paths that escape the repo root, allowing files anywhere on the system to be overwritten when a victim adds and refreshes that repository. Because zypper-based refresh operations typically run as root, this can escalate to privilege escalation or denial of service. There is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Privilege Escalation Denial Of Service Path Traversal +4
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH This Week

Heap buffer overflow in snap7 v1.4.3 crashes the embedded S7 server when processing a specially crafted write function packet targeting TS7Worker::PerformFunctionWrite() in /core/s7_server.cpp. Systems deploying snap7 as an S7-compatible communication server - common in industrial SCADA, HMI, and IoT gateway applications bridging to Siemens S7-series PLCs - can be disrupted remotely with no privileges required per the CVSS PR:N designation. No public exploit identified at time of analysis, and the EPSS score of 0.19% (8th percentile) reflects minimal current exploitation activity; however, operational impact in OT environments can exceed what the CVSS Availability score alone suggests.

Buffer Overflow Denial Of Service Heap Overflow +1
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH This Week

Heap buffer overflow in lib60870 versions 2.3.3 through 2.3.6 allows remote unauthenticated attackers to crash processes handling IEC 60870-5 protocol traffic by sending crafted Application Service Data Unit (ASDU) messages. The overflow occurs in the HighPriorityASDUQueue_hasUnconfirmedIMessages function, which manages high-priority message queuing in the IEC 60870-5-104 telecontrol protocol stack - making this particularly relevant to SCADA and industrial control system deployments where availability is operationally critical. No active exploitation is confirmed by CISA KEV; however, SSVC indicates a proof-of-concept exists, and EPSS of 0.18% (8th percentile) suggests minimal current exploitation activity.

Buffer Overflow Denial Of Service Heap Overflow +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH This Week

Denial of service in EIPStackGroup OpENer (commit 76b95c), an open-source EtherNet/IP stack, allows remote attackers to crash the device by sending a crafted Common Packet Format (CPF) packet that triggers a buffer overflow in the Get_Attribute_List handler. The flaw is network-reachable without authentication or user interaction (CVSS 7.5, availability-only impact), and SSVC indicates proof-of-concept exploit code exists and that exploitation is automatable. EPSS is low (0.17%, 7th percentile) and the CVE is not on CISA KEV, so there is no public evidence of active exploitation yet.

Authentication Bypass Buffer Overflow Denial Of Service +1
NVD GitHub
EPSS 0% CVSS 7.4
HIGH PATCH This Week

Memory corruption and denial of service in Zephyr RTOS (v4.0.0 through v4.4.0) arises in the BSD-sockets getaddrinfo() implementation, where a timed-out DNS query is retried without cancelling the prior query, leaving a callback holding a pointer into a stack frame that goes out of scope after getaddrinfo() returns. A network-delivered DNS response matched by its spoofable 16-bit transaction id, or the resolver's own delayed timeout work, then writes through that stale pointer, enabling crashes or reused-stack corruption. There is no public exploit identified at time of analysis and the issue is not in CISA KEV; exploitation is gated by a timing/race window reflected in CVSS AC:H.

Buffer Overflow Denial Of Service Use After Free +3
NVD GitHub VulDB
EPSS 0% CVSS 7.8
HIGH This Week

Local privilege escalation in the FreeBSD kernel sound subsystem lets an unprivileged user map kernel memory outside the audio buffer via an integer-overflow flaw in dsp_mmap_single(). Because /dev/dsp device nodes are world-accessible by default, any local user on a system with an audio device can read and write arbitrary kernel memory, enabling full system compromise or a kernel panic (DoS). No public exploit identified at time of analysis; EPSS is low (0.19%, 9th percentile), and FreeBSD has released errata patches.

Buffer Overflow Denial Of Service Information Disclosure +1
NVD VulDB
EPSS 0% CVSS 7.0
HIGH This Week

Local privilege escalation in FreeBSD 14.3, 14.4, and 15.0 releases arises from a use-after-free in the sound (OSS) subsystem, where an audio buffer backing a memory mapping is freed on device close while the mapping stays valid, leaving a stale mapping into reusable kernel memory. Because /dev/dsp device nodes are world-accessible by default, any unprivileged local user on a system with an audio device can read and write kernel memory to escalate to full control, or at minimum crash the kernel for denial of service. There is no public exploit identified at time of analysis, KEV shows no active exploitation, and EPSS is low at 0.19%.

Denial Of Service Use After Free Memory Corruption +1
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Cross-operator authorization bypass in juev/nebula-mesh (<= 0.3.4) lets any authenticated non-admin operator read and mutate resources owned by other operators through the web UI (/ui/*), which-unlike the JSON API fixed in GHSA-598g-never applies per-operator CA scoping. An attacker with a low-privileged operator account can enumerate every operator's hosts and networks (names, Nebula/public IPs, certificate fingerprints, CIDRs) and can block (revoke certificates) or delete any host in the deployment, causing cross-operator denial of service. No public exploit identified at time of analysis and the issue is not in CISA KEV, but exploitation is trivial for any non-admin user once one exists.

Authentication Bypass Denial Of Service Suse
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Memory-exhaustion denial of service in the python-socketio server (Socket.IO for Python, versions <= 5.16.1) lets remote clients pin server memory by sending binary EVENT or ACK packets while deliberately withholding one or more of the declared binary attachments. Because the server buffers the partial message and its received attachments in memory until all attachments arrive, an attacker can repeatedly open such incomplete messages to grow memory consumption unbounded and exhaust server resources. No public exploit identified at time of analysis; not listed in CISA KEV.

Denial Of Service Python
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in the python-engineio server (versions <= 4.13.1) allows remote unauthenticated attackers to exhaust server resources by abusing the heartbeat mechanism, which spawns a new background thread on each connection and on every PONG packet received. Synchronous servers are most at risk because each heartbeat is a physical OS thread; asynchronous deployments allocate lightweight tasks and are far less affected. No public exploit has been identified at the time of analysis, and the issue is not listed in CISA KEV; a vendor-released patch (version 4.13.2) is available.

Denial Of Service Python
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Uncontrolled memory allocation in python-engineio (versions <= 4.13.1) lets remote attackers exhaust server memory by sending oversized messages that are loaded before any size check, causing denial of service (availability-only impact). The flaw triggers in two specific transport configurations - ASGI with long-polling POST requests, and Aiohttp with the WebSocket transport - and is fixed in 4.13.2. No public exploit identified at time of analysis, and the issue is not in CISA KEV; no EPSS score was provided.

Denial Of Service Python
NVD GitHub
EPSS 0% CVSS 8.7
HIGH POC PATCH This Week

Denial of service in linkify-it (npm) through v5.0.0 lets remote unauthenticated attackers wedge a rendering worker by submitting tens of KB of repeated email/link-like text. The core public API LinkifyIt.prototype.match runs an O(N²) scan loop that re-slices the input and re-runs unanchored fuzzy regex searches once per match, so 64 KB of "a@b.com" burns ~2.5 s of single-threaded CPU and 128 KB ~10 s. The flaw is inherited by markdown-it (~21.6M weekly npm downloads) whenever linkify:true is set, exposing forums, chat, wikis and AI chat UIs; publicly available exploit code (a PoC in the GHSA advisory) exists, but there is no evidence of active exploitation.

Denial Of Service Node.js Apple +2
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Improper error handling in the btrfs filesystem's transaction commit path (btrfs_write_and_wait_transaction) lets a failed metadata writeout leave dirty extent buffers uncleaned, forcing the filesystem read-only and triggering kernel warnings at unmount. The flaw affects Linux kernels prior to 6.18.33, 7.0.10, and 7.1 and is an availability/data-integrity issue on btrfs volumes, with no confidentiality impact despite an 'Information Disclosure' tag in the source data. There is no public exploit identified at time of analysis and EPSS exploitation probability is very low (0.17%, 6th percentile).

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Local privilege escalation or denial of service in the Linux kernel's Intel VT-d IOMMU driver (iommu/vt-d) arises from incomplete handling of a missing dev_pasid entry during PASID teardown; an authenticated low-privileged actor able to drive IOMMU/PASID detach operations can trigger a NULL pointer dereference or unbalanced refcount that may decay into a use-after-free. This completes an earlier partial fix (commit 60f030f7418d) and is tagged as Denial of Service. There is no public exploit identified at time of analysis, and EPSS exploitation probability is low at 0.17% (6th percentile).

Denial Of Service Linux Null Pointer Dereference
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in Envoy proxy versions 1.37.0 through 1.37.4 and 1.38.x before 1.38.3 lets remote attackers crash the proxy by sending a request that omits the Host header when access logging is configured with the %REQUESTED_SERVER_NAME(X:Y)% operator using host-related options (e.g. HOST_FIRST, SNI_FIRST). The missing header triggers a null pointer dereference (CWE-476), taking down the data-plane proxy and any traffic flowing through it. No public exploit identified at time of analysis and the issue is not in CISA KEV.

Denial Of Service Null Pointer Dereference Envoy +2
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

The envoy.filters.http.grpc_stats HTTP filter in Envoy versions 1.26.0 through the pre-fix releases crashes with a null pointer dereference when a Connect protocol request (Content-Type: application/connect+proto or application/connect+json) is routed to a direct_response route, terminating the Envoy process entirely. The vendor description states a single unauthenticated HTTP request is sufficient to trigger the crash, giving any network-reachable attacker a trivial one-packet denial of service against affected deployments. No confirmed active exploitation (absent from CISA KEV) and no public exploit code has been identified at time of analysis, but the trivial trigger condition makes this high practical risk for any deployment with both preconditions present.

Denial Of Service Null Pointer Dereference Red Hat +3
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Null pointer dereference in Envoy's router filter crashes the entire proxy process, terminating all active connections, when body-less non-GET/HEAD requests (POST, PUT, DELETE, PATCH) encounter an upstream HTTP 303 response on a route configured with internal redirect policy. Affected versions span 1.18.0 through the fixes released in branches 1.35.13, 1.36.9, 1.37.5, and 1.38.3. An unauthenticated remote attacker who can influence upstream response codes or reach a vulnerable route configuration can cause complete denial of service; no public exploit identified at time of analysis and no CISA KEV listing.

Denial Of Service Null Pointer Dereference Red Hat +3
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in Envoy proxy (versions 1.23.0 through 1.35.10, 1.36.6, 1.37.2, and 1.38.0) allows remote unauthenticated attackers to crash the proxy by sending a specially crafted, highly compressed zstd payload that triggers massive memory allocation in the ZstdDecompressorImpl, leading to Out-Of-Memory kills. The flaw is a decompression-bomb (data amplification) issue that only manifests when zstd decompression is enabled. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV; the high CVSS reflects availability impact only (A:H, no confidentiality or integrity loss).

Denial Of Service Red Hat Envoy +2
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Remote denial of service in DragonflyDB before 1.39.0 lets an unauthenticated attacker crash the entire server with a single ~24-byte RESTORE command carrying a malformed listpack payload, triggering an out-of-bounds read (SIGSEGV). Because Dragonfly ships with no authentication enabled by default and RESTORE is an ordinary keyspace command, any client that can reach the port can repeatedly kill the process. No CISA KEV listing exists, but the fixing pull request publishes the exact crash payloads as regression tests, so working trigger data is effectively public.

Buffer Overflow Denial Of Service Information Disclosure +2
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

Denial of service in Fluentd (rubygems package, versions <= 1.19.2) lets remote attackers crash the log collector by sending a gzip decompression bomb to the in_http (default port 9880) or in_forward (default port 24224) plugins. Although Fluentd enforces body_size_limit and chunk_size_limit on the compressed payload, it applies no ceiling on the decompressed output, so a tiny crafted payload expands in memory until the OS OOM-kills the process. No public exploit identified at time of analysis and it is not in CISA KEV, but EPSS-style risk is bounded by the requirement that an input port be reachable from an untrusted network.

Denial Of Service Nginx
NVD GitHub VulDB
EPSS 1% CVSS 7.5
HIGH This Week

Arbitrary code execution and denial of service in FastStone Image Viewer 8.3 occur when the application parses a maliciously crafted Photoshop (PSD) file, triggering an integer overflow in its PSD parsing component. Affected users are those who open attacker-supplied PSD files in this Windows freeware image viewer; successful exploitation can crash the application or, per the reporter and tags, lead to code execution in the user's context. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV.

RCE Denial Of Service
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Remote unauthenticated stack-based buffer overflow in the vlsvr login service of GeoVision GV-LPC2011 and GV-LPC2211 license plate capture cameras (firmware V1.12 and earlier) lets a remote attacker corrupt memory by sending an over-length login field, enabling denial of service and potentially arbitrary code execution. The flaw requires no authentication and no user interaction (CVSS 9.8). No public exploit identified at time of analysis, and it is not listed in CISA KEV.

RCE Buffer Overflow Denial Of Service +3
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Unauthenticated remote code execution and denial of service in GeoVision GV-LPC2011 and GV-LPC2211 license plate camera devices (firmware V1.12 and earlier) stems from a stack-based buffer overflow in the ssvr streaming component's RTSP Digest authentication parser. A remote attacker reachable on the RTSP service can send overly long authentication field data to corrupt the stack, crashing the device or potentially executing arbitrary code with no credentials or user interaction. There is no public exploit identified at time of analysis and the issue is not listed in CISA KEV, but the CVSS 9.8 rating and unauthenticated network vector make it a high-priority patching target.

RCE Buffer Overflow Denial Of Service +3
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Remote code execution and denial of service in GeoVision GV-LPC2011 and GV-LPC2211 license-plate-recognition cameras (V1.12 and earlier) arise from a stack-based buffer overflow in the ssvr component's RTSP custom authentication handling. The CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates an unauthenticated remote attacker can trigger memory corruption with a single crafted RTSP request, yielding crash-level DoS and potential arbitrary code execution. No public exploit identified at time of analysis and the issue is not listed in CISA KEV.

RCE Buffer Overflow Denial Of Service +3
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Remote code execution in GeoVision GV-LPC2011 and GV-LPC2211 license-plate-recognition cameras (firmware V1.12 and earlier) stems from a stack-based buffer overflow in the embedded thttpd web server, where overly long parameters in a specific request path overrun a fixed-size stack buffer. An unauthenticated remote attacker (per CVSS PR:N) can send a single crafted HTTP request to corrupt memory and cause denial of service or potentially execute arbitrary code on the device. No public exploit has been identified at time of analysis, but the CVSS 9.8 rating and lack of authentication make this a high-priority embedded-device exposure.

RCE Buffer Overflow Denial Of Service +3
NVD
EPSS 0% CVSS 8.6
HIGH This Week

Unauthenticated format string flaw in the vlsvr service of GeoVision GV-LPC2011 and GV-LPC2211 license plate recognition cameras (firmware V1.12 and earlier) lets remote attackers send crafted login data that the device passes unsanitized into a log-formatting routine. Successful exploitation can leak memory contents, corrupt memory, or crash the service, with the high availability impact (CVSS 8.6) reflecting denial of service as the most reliable outcome. No public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Denial Of Service Information Disclosure Gv Lpclpc2011 2211 +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Denial of service in GeoVision GV-LPC2011 and GV-LPC2211 license plate recognition cameras (firmware V1.12 and earlier) lets remote, unauthenticated attackers crash the device by sending a crafted HTTP request to onvif.cgi. The ONVIF CGI handler fails to bounds-check HTTP request body data, so oversized input triggers an out-of-bounds write and memory corruption. No public exploit identified at time of analysis, and the flaw yields availability impact only — no code execution or data disclosure is claimed by the vendor.

Buffer Overflow Denial Of Service Memory Corruption +2
NVD
EPSS 1% CVSS 7.5
HIGH This Week

Denial of service in GeoVision GV-LPC2011 and GV-LPC2211 license-plate capture devices (firmware V1.12 and earlier) lets a remote, unauthenticated attacker crash the device by sending a single malformed HTTP request to its CGI interface. The flaw is a NULL pointer dereference in HTTP request-parsing logic shared across multiple CGI components, triggered when required request metadata is missing or malformed. No public exploit identified at time of analysis, and the issue has no confidentiality or integrity impact - only availability.

Denial Of Service Null Pointer Dereference Gv Lpclpc2011 2211 +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Denial of service in GeoVision GV-LPC2011 and GV-LPC2211 license-plate-capture devices (firmware V1.12 and earlier) allows remote unauthenticated attackers to crash the device by sending a multipart upload request with an overly long filename to IEEE8021x_upload.cgi. The flaw is a classic stack/heap buffer overflow (CWE-120) with availability-only impact and no confidentiality or integrity loss. No public exploit identified at time of analysis and the issue is not listed in CISA KEV.

Buffer Overflow Denial Of Service Gv Lpclpc2011 2211 +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Denial of service in GeoVision GV-LPC2011 and GV-LPC2211 license plate cameras (firmware V1.12 and earlier) lets remote unauthenticated attackers crash the IEEE8021x_upload.cgi process by sending a malformed multipart upload request, triggering a NULL pointer dereference (CWE-476). The high availability impact (CVSS 7.5, A:H) means the device's 802.1x certificate-upload functionality - and potentially the management interface - becomes unavailable until the process or device restarts. No public exploit has been identified at time of analysis and the issue is not listed in CISA KEV.

Denial Of Service Null Pointer Dereference Gv Lpclpc2011 2211 +1
NVD
EPSS 0% CVSS 7.5
HIGH POC This Week

Denial of service in relibc — the Redox OS C standard library implemented in Rust — allows attackers to crash applications by supplying a crafted time string to strptime(), which mishandles month parsing in the parse_month function of time/strptime.rs at commit ab6a2e. Publicly available exploit code exists (a dedicated PoC in the Marsman1996 repository), though there is no evidence of active exploitation; the EPSS score is low at 0.17% (6th percentile). Impact is availability-only (application crash/hang) with no confidentiality or integrity loss.

Denial Of Service N A
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH POC This Week

Denial of service in relibc (the Redox OS C standard library) at commit 61f42d allows attackers to crash a process by getting it to load a maliciously crafted shared library, which mishandles resources in the DSO::mmap_and_copy dynamic-linking routine (CWE-404). Publicly available exploit code exists, but the flaw is not in CISA KEV and EPSS is very low (0.17%, 6th percentile), indicating no observed in-the-wild exploitation. Impact is confined to availability - no confidentiality or integrity loss.

Denial Of Service N A
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH This Week

Remote denial-of-service in Technitium DNS Server versions 14.3 and earlier lets an unauthenticated network attacker exhaust server resources (CWE-400) through the DNS client handling logic in TechnitiumLibrary.Net/Dns/DnsClient.cs, crashing or hanging the DNS service. The CVSS 7.5 vector (AV:N/AC:L/PR:N/UI:N) indicates trivially reachable remote triggering with high availability impact but no confidentiality or integrity loss. No public exploit identified at time of analysis, and EPSS is low (0.20%, 10th percentile), consistent with SSVC recording exploitation status as 'none'.

Denial Of Service Red Hat N A
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Use-after-free code execution in Google Chrome's AdFilter component affects the Android build prior to 149.0.7827.201, letting a remote attacker who lures a user into performing specific UI gestures on a crafted HTML page run arbitrary code in the browser process. Google (Chromium) rated it High severity; there is no public exploit identified at time of analysis and CISA SSVC records exploitation status as none. EPSS is low at 0.22% (13th percentile), consistent with a memory-corruption bug that requires user interaction and high attack complexity rather than trivial mass exploitation.

RCE Denial Of Service Google +2
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Remote unauthenticated denial of service in Sigstore Rekor (>= 0.3.0, < 1.5.2) allows attackers to crash the transparency log server via a gzip decompression bomb in its Alpine APK parsing path. The Package.Unmarshal() function decompresses the signature and control gzip members of a submitted APK into memory without bounding total decompressed size, so a ~1000:1 compression ratio payload (e.g. 2MB compressed to 2GB) exhausts heap and triggers a fatal Go runtime OOM or OS OOM-kill that the recover() middleware cannot catch. No public exploit identified at time of analysis; it is not in CISA KEV, and the impact is availability-only (no confidentiality or integrity loss).

Denial Of Service
NVD GitHub
EPSS 0% CVSS 8.5
HIGH This Week

Server-side request forgery and denial of service in Red Hat Build of Apicurio Registry 3 stem from unsafe XML parsing in the ContentTypeUtil.isParsableXml() method, which builds a SAXParserFactory without secure processing or external-entity restrictions (CWE-611, XXE). An attacker with artifact-write permission - or any unauthenticated client when the registry runs in its default configuration - can upload a crafted XML artifact whose external DTD/entity references force the server to fetch attacker-chosen URLs (blind SSRF into internal networks) or expand nested entities for resource-exhaustion DoS. CVSS is 8.5 (scope-changed, high availability impact); no public exploit identified at time of analysis.

Denial Of Service SSRF XXE +2
NVD
EPSS 0% CVSS 8.3
HIGH PATCH This Week

Remote denial of service in wolfSSL's Renesas TSIP TLS 1.3 client port (WOLFSSL_RENESAS_TSIP_TLS on Renesas MCUs with TSIP hardware) arises from an out-of-bounds heap write in tsip_StoreMessage(), where the capacity check guarding the fixed 8 KB message bag sets an error code but omits the return, letting execution fall through to an XMEMCPY that overruns the buffer once the accumulated handshake transcript exceeds 8 KB. A malicious or man-in-the-middle TLS 1.3 server (or an unusually large but legitimate certificate chain) can trigger heap corruption and crash the client. There is no public exploit identified at time of analysis, it is not on CISA KEV, and the upstream fix is available as wolfSSL PR #10705.

Buffer Overflow Denial Of Service Memory Corruption +1
NVD GitHub VulDB
EPSS 0% CVSS 7.0
HIGH POC PATCH This Week

Denial of service in CANBoat (the open-source NMEA 2000/CAN bus analyzer) through version 6.22 allows attackers to crash the analyzer by delivering a crafted NMEA-2000 message containing an out-of-range PGN value. The flaw is an off-by-one global buffer overflow in the searchForPgn() binary-search routine in analyzer/pgn.c, where an out-of-range PGN causes a one-element read past the end of the pgnList[] table. Publicly available exploit code exists (FuzzingLabs PoC value 393216 via issue #644), and a vendor patch is available; there is no public exploit identified as actively exploited.

Buffer Overflow Denial Of Service Canboat
NVD GitHub
EPSS 0% CVSS 9.3
CRITICAL POC Act Now

Out-of-bounds write in RTKLIB's decode_type1033 function affects all versions through 2.4.3, where unclamped length counters allow up to a 191-byte overflow into fixed 64-byte descriptor fields when parsing an RTCM3 type-1033 message. An attacker who controls an NTRIP or serial RTCM3 correction stream can deliver a CRC-valid crafted message to corrupt adjacent rtcm_t members, potentially achieving arbitrary code execution or denial of service. Publicly available exploit code exists (reported by VulnCheck), though there is no public exploit identified as actively exploited in CISA KEV.

RCE Buffer Overflow Denial Of Service +3
NVD GitHub VulDB
EPSS 0% CVSS 8.7
HIGH POC This Week

Denial of service in libais through version 0.15 lets remote unauthenticated attackers crash AIS-processing services and vessel systems by sending malformed AIVDM sentences. The VdmStream::AddLine routine treats an unchecked sentinel value as a vector index when a sentence carries an empty or out-of-range sequential message ID, producing an out-of-bounds vector access (CWE-129) and potential memory corruption. Publicly available exploit code exists and the issue was reported by VulnCheck, though it is not listed in CISA KEV.

Denial Of Service Libais
NVD GitHub
EPSS 0% CVSS 8.4
HIGH Act Now

Arbitrary code execution in AzeoTech DAQFactory (versions 21.1 and prior) arises from a use-after-free flaw triggered when the application parses a maliciously crafted .ctl project/control file. An attacker who can convince an operator to open a booby-trapped .ctl file can corrupt memory and run code in the context of the DAQFactory process on the engineering or HMI workstation. No public exploit is identified at time of analysis and the CVE is not in CISA KEV, but it carries a high CVSS 4.0 base score of 8.4 driven by full confidentiality, integrity, and availability impact.

RCE Denial Of Service Use After Free +3
NVD VulDB
EPSS 0% CVSS 7.5
HIGH This Week

Remote denial of service in the Zephyr RTOS IPv6 network stack lets unauthenticated attackers permanently halt packet reception by sending a small number of crafted fragmented IPv6 packets. Each malicious fragment leaks its RX network buffer (CWE-772) instead of returning it to the memory slab, so a handful of packets exhausts the fixed RX buffer pool and the device stops receiving all traffic until reboot. No public exploit has been identified at time of analysis, and the issue is not listed in CISA KEV; the CVSS 7.5 (A:H only) reflects high availability impact with no confidentiality or integrity exposure.

Denial Of Service Zephyr Zephyrproject Rtos
NVD GitHub
EPSS 0% CVSS 8.7
HIGH Act Now

Denial-of-service in Schneider Electric PowerLogic P7 power metering devices allows remote, unauthenticated attackers to crash the device's HMI and configuration functionality by sending malformed requests to exposed network interfaces. The flaw stems from a NULL pointer dereference (CWE-476) that renders local management and configuration unavailable until recovery. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV; the CVSS 4.0 base score of 8.7 reflects a high availability impact with no confidentiality or integrity exposure.

Denial Of Service Null Pointer Dereference Schneider Electric +1
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege escalation or kernel memory corruption in the Linux kernel's OP-TEE (Trusted Execution Environment) driver arises from a use-after-free in the supplicant request path on ARM TrustZone systems. After commit 70b0d6b0a199 made the client wait killable, a client task can exit and kfree() its request while its ID still lives in supp->idr, so a later supplicant lookup dereferences freed memory. CVSS 7.8 (local, low privilege) with EPSS at 0.17% (7th percentile); no public exploit identified at time of analysis and not listed in CISA KEV.

Denial Of Service Linux Use After Free +3
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Kernel panic (denial of service) in the Linux kernel ALSA PCM subsystem occurs when snd_pcm_drain() is called on linked (grouped) audio streams that are concurrently unlinked, corrupting wait queue lists and ultimately dereferencing a NULL function pointer. The flaw stems from init_waitqueue_entry/add_wait_queue not clearing list pointers combined with a conditional remove_wait_queue that is skipped after a concurrent UNLINK, leaving an orphaned wait entry that gets added to two queues at once. It is a local-privilege issue requiring access to ALSA PCM devices; no public exploit has been identified at time of analysis and the EPSS score is very low (0.18%).

Denial Of Service Linux Null Pointer Dereference
NVD VulDB
EPSS 0% CVSS 9.8
CRITICAL PATCH Act Now

Remote denial of service in the Linux kernel's iSER (iSCSI Extensions for RDMA) target driver (IB/isert) allows an unauthenticated attacker on the RDMA fabric to crash a storage target node by sending an undersized iSCSI login PDU. The isert_login_recv_done() handler subtracts the 76-byte ISER_HEADERS_LEN from the received byte count without a lower bound, producing a negative signed login_req_len that is later sign-extended into a multi-gigabyte memcpy() length, causing a faulting out-of-bounds copy. Because the login phase precedes iSCSI authentication, no credentials are required; there is no public exploit identified at time of analysis and EPSS exploitation probability is low (0.21%).

Denial Of Service Linux
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in the Linux kernel's iomap buffered I/O layer allows a NULL pointer dereference (kernel oops/panic) when a buffered read fails on a folio split across multiple read completions. Because iomap_finish_folio_read() decremented read_bytes_pending before calling fserror_report_io(), a concurrent final read completion plus a truncate could detach the folio (folio->mapping = NULL) before the error path dereferenced it. CVSS 7.5 reflects availability-only impact (A:H); EPSS is low (0.18%, 8th percentile) and there is no public exploit identified at time of analysis.

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
EPSS 0% CVSS 8.7
HIGH PATCH This Week

Remote denial-of-service in NLnet Labs NSD (authoritative DNS name server) version 4.13.0 and later allows an unauthenticated attacker to crash the server process by exploiting a heap use-after-free in the TLS error-logging path. By sending a DNS query over a DNS-over-TLS (DoT) connection and closing the socket before reading the response, an attacker triggers the freed-memory access trivially; no public exploit identified at time of analysis, and the issue is not in CISA KEV. The CVSS 4.0 score of 8.7 reflects high availability impact with no confidentiality or integrity exposure.

Denial Of Service Use After Free Memory Corruption +4
NVD VulDB
EPSS 0% CVSS 8.7
HIGH PATCH This Week

Heap overflow in NLnet Labs NSD allows a malicious or compromised zone primary to corrupt memory on a secondary (slave) NSD instance by sending an AXFR transfer containing a crafted SVCB resource record. An rdata size of 65512 causes a uint16_t length variable used for RR allocation to wrap (total size exceeds 65535), producing an undersized buffer and a controlled out-of-bounds write of up to 65509 bytes - an RCE-class primitive (CWE-190 integer overflow leading to heap overflow). No public exploit identified at time of analysis, but the controlled write and remote network vector (CVSS 4.0 base 8.7) make this a high-priority patch for any operator running NSD as a secondary.

Denial Of Service Integer Overflow Red Hat +3
NVD VulDB
EPSS 0% CVSS 8.7
HIGH POC PATCH This Week

Denial of service in the shell-quote Node.js library (versions prior to 1.8.5) lets remote attackers stall the single-threaded event loop by passing an attacker-controlled string into any code path that calls parse(). The flaw is purely algorithmic - parse() builds its token list with Array.prototype.concat as a reduce accumulator, giving O(n^2) behavior so even a small payload of plain space-separated words causes disproportionate CPU consumption. There is no public exploit identified at time of analysis and no KEV listing; impact is to availability only with no code execution or data disclosure despite the misleading 'RCE' source tag.

RCE Denial Of Service Node.js +4
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH POC This Week

Denial of service in relibc (the Redox OS C standard library implementation, commit 61f42d) lets attackers crash a process by supplying a crafted string that reaches a panicking `unwrap()` inside the `__assert_fail` function in /assert/mod.rs. Any program linked against the affected relibc that routes attacker-influenced data through an assertion failure path can be forced to abort. Publicly available exploit code exists, but the issue is not listed in CISA KEV and EPSS is low (0.17%, 6th percentile), indicating no observed widespread exploitation.

Denial Of Service N A
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC This Week

Denial of service in relibc (the Redox OS C standard library) at commit 61f42d allows attackers to exhaust availability by passing crafted input to the pthread_rwlockattr_setpshared() function, classified as uncontrolled resource consumption (CWE-400). Publicly available exploit code exists (Marsman1996 PoC), though the flaw is not listed in CISA KEV and carries a low EPSS score of 0.17% (6th percentile). The reported CVSS 3.1 vector (7.5, AV:N) appears inconsistent with the local nature of a libc threading API and should be treated cautiously.

Denial Of Service N A
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in Sentry's self-hosted/SaaS event ingestion pipeline (versions 24.4.0 through 26.5.1) lets remote actors who can submit events stall worker CPU via a Regular Expression Denial of Service (ReDoS). A loosely-written hostname-detection regex in the grouping parameterization stage (parameterization.py) backtracks catastrophically on crafted attacker-controlled event fields, exhausting CPU and degrading or halting event processing. No public exploit identified at time of analysis and it is not in CISA KEV, but the fix (26.5.2) and the triggering regex are publicly disclosed in the GitHub advisory and PR #116587, lowering the bar to reproduce.

Denial Of Service Sentry
NVD GitHub
EPSS 0% CVSS 7.1
HIGH PATCH This Week

Persistent denial of service in the Tiptap for PHP library before 2.1.1 lets authenticated users crash the server-side rendering pipeline by submitting Tiptap JSON whose attrs.href is an array rather than a string. The malformed value reaches preg_match() inside Link::isAllowedUri() and triggers an unhandled TypeError; because the bad record is stored, every later attempt to render that content fails for all viewers until the database row is manually fixed. No public exploit has been identified at time of analysis, and the issue is not listed in CISA KEV; EPSS data was not provided.

PHP Denial Of Service Tiptap Php
NVD GitHub
EPSS 0% CVSS 9.3
CRITICAL PATCH Act Now

Authentication bypass in Rocket.Chat's SAML service provider lets attackers log in as arbitrary users when SAML is enabled but the IdP certificate field is left at its empty shipped default, which causes signature validation to be silently skipped. All versions prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11 are affected, and the CVSS 4.0 base score is 9.3 (Critical). There is no public exploit identified at time of analysis and the issue is not listed in CISA KEV, but the fail-open behavior is reachable in a near-default configuration, making it a high-priority fix.

Denial Of Service Jwt Attack
NVD GitHub
EPSS 0% CVSS 7.7
HIGH PATCH This Week

Uncontrolled resource consumption in the AutoGPT platform (versions before 0.6.52) lets an authenticated user crash the server through the Fill Text Template block. The block's Jinja2 SandboxedEnvironment blocks dangerous attribute access but enforces no CPU, memory, or execution-time limits, so a crafted expression can exhaust server resources and hang or crash the host. There is no public exploit identified at time of analysis and the issue is not in CISA KEV, but the bug is straightforward to trigger and the vendor has shipped a fix in 0.6.52.

Denial Of Service Python
NVD GitHub
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Arbitrary code execution within the renderer sandbox affects Google Chrome on Android before 149.0.7827.197 via a use-after-free defect in the WebView component, reachable when a victim renders a crafted HTML page. The flaw lets an attacker corrupt freed memory in the rendering process to gain code execution confined to the sandbox; CVSS is 7.8 (High) and Chromium rates it High severity. There is no public exploit identified at time of analysis, and CISA SSVC marks exploitation status as none, but a vendor patch is already available.

RCE Denial Of Service Google +3
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Remote code execution in Google Chrome's Blink rendering engine (versions prior to 149.0.7827.197) allows a remote attacker to run arbitrary code within the renderer sandbox by luring a victim to a crafted HTML page. The flaw is a use-after-free (CWE-416) rated High by Chromium with a CVSS of 8.8; it requires user interaction (visiting a malicious page) but no authentication. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, with the CISA SSVC framework recording exploitation status as none.

RCE Denial Of Service Google +3
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Remote code execution in Google Chrome for macOS prior to 149.0.7827.197 stems from a use-after-free in the browser's Bluetooth subsystem, letting a malicious Bluetooth peripheral corrupt memory and execute arbitrary code in the browser process. The flaw is rated High severity by Chromium with a CVSS 8.8, requires user interaction (UI:R) but no privileges, and currently has no public exploit identified at time of analysis; CISA SSVC marks exploitation status as none.

RCE Denial Of Service Google +2
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Remote code execution in Google Chrome's Blink rendering engine (versions prior to 149.0.7827.197) allows a remote attacker to run arbitrary code within the renderer sandbox when a victim visits a crafted HTML page. The flaw is a use-after-free (CWE-416) rated High by Chromium with a CVSS 8.8; no public exploit identified at time of analysis and it is not listed in CISA KEV, though Chrome browser bugs of this class are historically high-value targets. Exploitation requires user interaction (loading a malicious page) but no authentication.

RCE Denial Of Service Google +3
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Heap corruption in Google Chrome's Web Authentication (WebAuthn) component affects all desktop builds prior to 149.0.7827.197, where a use-after-free (CWE-416) can be triggered by a malicious browser extension. An attacker who first convinces a victim to install a crafted extension can reach the freed object and potentially achieve code execution. Rated High by Chromium with a CVSS 7.5; there is no public exploit identified at time of analysis and CISA SSVC marks exploitation as none.

Denial Of Service Google Use After Free +2
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Renderer-side heap corruption in Google Chrome's FileSystem component (versions prior to 149.0.7827.197) lets a remote attacker who lures a victim to a crafted HTML page trigger a use-after-free, potentially leading to arbitrary code execution within the renderer. Rated High severity by Chromium with a CVSS of 8.8; no public exploit identified at time of analysis, and CISA's SSVC framework currently records exploitation status as 'none'. EPSS data was not provided, but the user-interaction requirement (visiting a page) is the only meaningful barrier, making this a routine but real browser-patch priority.

Denial Of Service Google Use After Free +2
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Heap corruption via use-after-free in Google Chrome's Digital Credentials component on macOS allows a remote attacker to potentially execute code by luring a victim to a crafted HTML page, affecting Chrome builds prior to 149.0.7827.197. The flaw was reported internally by Google's Chrome team, and per CISA's SSVC framework exploitation is currently 'none', so this is no public exploit identified at time of analysis despite a high (8.8) CVSS score requiring user interaction. EPSS data was not provided, but the absence of KEV listing and no observed exploitation point to risk driven by Chrome's massive install base rather than confirmed in-the-wild abuse.

Denial Of Service Google Use After Free +2
NVD VulDB
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Remote code execution in Google Chrome on Windows prior to 149.0.7827.197 stems from a use-after-free condition in the Autofill component, letting a remote attacker run arbitrary code in the renderer when a victim opens a malicious web page. Chromium rates the flaw Critical and CVSS 8.8 reflects high impact across confidentiality, integrity, and availability, tempered by the requirement that the user load attacker-controlled content. There is no public exploit identified at time of analysis, and SSVC records exploitation status as none, but the 'total' technical impact makes prompt patching important.

RCE Denial Of Service Google +4
NVD VulDB
EPSS 0% CVSS 9.6
CRITICAL PATCH Act Now

Sandbox escape in Google Chrome on Android before 149.0.7827.197 stems from a use-after-free in the WebGL graphics subsystem, letting a remote attacker who lures a victim to a crafted HTML page potentially break out of the renderer sandbox. Rated Critical by Chromium with a CVSS 9.6 reflecting scope change and total compromise of confidentiality, integrity, and availability. There is no public exploit identified at time of analysis and the issue is not on CISA KEV, though Google has shipped a fix.

Denial Of Service Google Use After Free +2
NVD VulDB
EPSS 0% CVSS 9.6
CRITICAL PATCH Act Now

Sandbox escape in Google Chrome for Android before 149.0.7827.197 stems from a use-after-free in the WebGL graphics component, letting a remote attacker who lures a victim to a crafted HTML page break out of the renderer sandbox. Rated Critical by Chromium and carrying a CVSS 9.6 with scope change, the flaw threatens full compromise of the browser process boundary on affected Android devices. There is no public exploit identified at time of analysis, and CISA SSVC marks exploitation status as none.

Denial Of Service Google Use After Free +1
NVD VulDB
EPSS 0% CVSS 7.1
HIGH PATCH This Week

Remote denial-of-service in the TP-Link Tapo C200 v3 home security camera allows an unauthenticated attacker on the adjacent network to crash or destabilize the device by sending malformed IPv4 fragmented packets. Exploitation drives excessive resource consumption (CWE-770) and renders the camera unresponsive, causing intermittent loss of live video monitoring and recording. No public exploit has been identified at time of analysis, and the issue is not listed in CISA KEV; TP-Link, who reported it, has released a firmware fix.

Denial Of Service Tapo C200 V3 Tp Link Systems Inc
NVD VulDB
EPSS 0% CVSS 8.7
HIGH POC PATCH This Week

Uncontrolled CPU consumption in Mistune, a Python Markdown parser, allows remote unauthenticated attackers to cause denial of service against any application that renders untrusted Markdown through versions prior to 3.3.0. The flaw lives in parse_link_text, which runs a regex search inside a loop and re-scans the remaining input each iteration, yielding roughly O(n²) behavior; a tiny payload of many consecutive '[' characters can pin a CPU core. There is no public exploit identified at time of analysis and the issue is not in CISA KEV, but the trigger is trivial to construct and the GitHub Security Advisory documents the root cause precisely.

Denial Of Service Python Mistune +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Remote denial of service in curl and libcurl (versions 8.18.0 through 8.20.0) lets a malicious or compromised HTTP/3 server indefinitely stall a connecting client. The flaw lives in curl's QUIC UDP receive path, where zero-length UDP datagrams are discarded before they are counted against the per-call packet budget, so a peer that streams a continuous flood of empty datagrams keeps the receive loop spinning without ever making progress. There is no public exploit identified at time of analysis, EPSS risk is low (0.28%, 20th percentile), and impact is availability-only (no data compromise).

Denial Of Service Curl Haxx
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in curl 8.16.0 through 8.20.0 lets a malicious WebSocket server exhaust all client memory by flooding it with rapid, sequential PING frames. Because curl auto-responds to PINGs by default and imposes no upper bound on memory buffered for unacknowledged frames, the queue of pending PONG responses grows unbounded until the process is OOM-killed. EPSS is low (0.21%, 11th percentile) and there is no public exploit identified at time of analysis, consistent with an availability-only issue affecting the subset of deployments that actually use curl's WebSocket support.

Denial Of Service Curl Haxx
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Use-after-free in the Linux kernel's mt76/mt7915 MediaTek Wi-Fi driver allows local low-privileged users to corrupt kernel memory during PCI device detachment. When an mt7915 chip is removed, mt7915_coredump_unregister() frees the crash_data buffer while the dump_work item may still be pending or executing, causing mt7915_mac_dump_work() to dereference freed memory. Tagged as denial-of-service and memory corruption (CWE-416); there is no public exploit identified at time of analysis, EPSS is low (0.17%, 6th percentile), and it is not listed in CISA KEV.

Denial Of Service Linux Use After Free +1
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Use-after-free in the Linux kernel's mt76/mt7996 MediaTek Wi-Fi driver allows a local attacker to trigger memory corruption during PCI device teardown. When the mt7996 device detaches, mt7996_coredump_unregister() frees the crash_data buffer while the dump_work workqueue item may still be running or pending, causing mt7996_mac_dump_work() to dereference freed memory. No public exploit identified at time of analysis, and EPSS is low (0.17%, 6th percentile), consistent with a hardware-specific race that is difficult to weaponize.

Denial Of Service Linux Use After Free +3
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Memory-safety data race in the Linux kernel's BPF DEVMAP_HASH redirect path (dev_map_redirect_multi(), SKB/generic XDP path) lets a concurrent reader in softirq context observe a partially-constructed hash node because hlist_for_each_entry_safe() dereferences list pointers without the rcu_dereference() acquire barrier that pairs with writers' rcu_assign_pointer(). Affecting kernels from 5.14 up to the fixed stable releases, it can lead to memory corruption or information disclosure on weakly-ordered architectures (ARM64, POWER) when BPF devmap-hash redirect is in use. No public exploit identified at time of analysis; EPSS is low (0.18%, 7th percentile) and it is not in CISA KEV.

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in the Linux kernel network/BPF subsystem allows a NULL-pointer dereference and kernel panic via xdp_master_redirect() when XDP frames are redirected through a bonding master that was never brought up. Because bpf_master_redirect_enabled_key is a global static key, attaching native XDP to any bond device system-wide enables the XDP_TX→xdp_master_redirect() interception for every slave, letting traffic reach bond_rr_gen_slave_id() against a round-robin bond whose per-CPU rr_tx_counter is still NULL (allocated only in bond_open()). Exploitation probability is low (EPSS 0.16%, 6th percentile) and there is no public exploit identified at time of analysis, but the original crash was discovered and reproduced by syzkaller.

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
EPSS 0% CVSS 9.8
CRITICAL PATCH Act Now

Denial-of-service (NULL-pointer dereference / use-after-free) in the Linux kernel's in-kernel SMB3 server (ksmbd) affects systems that offload SMB3 message encryption to asynchronous hardware crypto engines such as the Qualcomm Crypto Engine (QCE). ksmbd_crypt_message() installs a NULL completion callback and misinterprets the -EINPROGRESS return from async AEAD requests as a fatal error, freeing the request while the hardware DMA is still running so the later qce_skcipher_done() callback dereferences freed memory and crashes the kernel. There is no public exploit identified at time of analysis, it is not in CISA KEV, and EPSS is low (0.18%, 8th percentile), consistent with the narrow hardware/configuration prerequisites despite the NVD CVSS of 9.8.

Denial Of Service Linux Use After Free +4
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local privilege-level denial of service in the Linux kernel's Greybus 'raw' character device driver (gb_raw) allows a user with access to the chardev to trigger a use-after-free by writing to the device after a disconnect has freed the underlying gb_connection object, causing a kernel NULL pointer dereference and panic (observed reliably with CONFIG_INIT_ON_FREE_DEFAULT_ON=y). The flaw is a race between the raw_write() path calling gb_operation_sync_timeout() and gb_connection_destroy() running during disconnect. EPSS is low (0.16%, 6th percentile) with no public exploit identified at time of analysis and no CISA KEV listing.

Denial Of Service Linux Use After Free +3
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Kernel panic (denial of service) in the Linux kernel netfilter nfnetlink_osf module occurs because nf_osf_ttl() dereferences skb->dev during its TTL check without validating the device pointer, allowing a crafted packet to trigger a NULL pointer dereference on hosts using the OS-fingerprint (osf) match. The flaw affects systems with nftables/iptables rulesets that employ the osf TTL check, and is rated availability-only impact (CVSS 7.5, AV:N/A:H). There is no public exploit identified at time of analysis, EPSS is low (0.18%, 7th percentile), and it is not in CISA KEV; the fix has been merged across multiple stable trees.

Denial Of Service Linux Null Pointer Dereference
NVD VulDB
EPSS 0% CVSS 9.8
CRITICAL PATCH Act Now

Out-of-bounds memory access in the Linux kernel's netfilter SIP connection-tracking helper (nf_conntrack_sip) stems from parsing port numbers in non-NUL-terminated socket-buffer data with simple_strtoul() and dereferencing pointers after sip_parse_addr() without bounds checks. Remote attackers sending crafted SIP messages through a host where the SIP conntrack/NAT helper is active could read past the packet buffer, risking information disclosure or instability (tagged Information Disclosure). Despite a CVSS of 9.8, EPSS is only 0.18% (8th percentile) and no public exploit is identified at time of analysis; a vendor fix is available across multiple stable trees.

Denial Of Service Linux Null Pointer Dereference
NVD VulDB
EPSS 0% CVSS 8.1
HIGH PATCH This Week

Out-of-bounds read and denial-of-service in the Linux kernel SMB/CIFS client (cifs.ko) affects systems mounting SMB shares on 32-bit architectures. When parsing a malicious SMB2 error response, the symlink_data() routine mishandles a hostile ErrorDataLength value, causing either an infinite loop or a read past the buffer that can hang the client or leak adjacent kernel memory. There is no public exploit identified at time of analysis and EPSS exploitation probability is low (0.18%, 8th percentile), but the bug is reachable by any malicious or compromised SMB server a vulnerable client connects to.

Buffer Overflow Denial Of Service Information Disclosure +3
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in the Linux kernel's libceph client allows a malicious or corrupted Ceph cluster to crash the kernel via a null pointer dereference in decode_choose_args(). When processing a CEPH_MSG_OSD_MAP message, a crafted CRUSH map containing choose_args with a bucket_index that points to a NULL (unallocated) bucket triggers the crash, because the code validated only that the index stayed within max_buckets, not that the target bucket was non-NULL. There is no public exploit identified at time of analysis, EPSS exploitation probability is low (0.18%, 8th percentile), and the issue is patched upstream.

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial of service in the Linux kernel's libceph (Ceph client) subsystem allows a malicious or compromised Ceph monitor/OSD to crash a connected client by sending a crafted CEPH_MSG_OSD_MAP whose embedded CRUSH map carries two choose_args maps sharing the same choose_args_index. The duplicate index trips an assertion in insert_choose_arg_map() during decode_choose_args(), triggering a kernel BUG and panic. CVSS is 7.5 (availability-only); there is no public exploit identified at time of analysis and EPSS is low at 0.18% (8th percentile).

Denial Of Service Linux Red Hat +1
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Local denial of service in the Linux kernel's Intel Xe DRM driver (drm/xe/dma-buf) arises from use-after-free and NULL pointer dereference race conditions in the dma-buf import path, affecting kernels from 6.8 through the fixes in 6.12.91, 6.18.33, 7.0.10 and 7.1. When a buffer object is shared from another GPU driver such as amdgpu, the exporter can invoke the Xe invalidate_mappings hook against a partially initialized or already-freed bo, crashing the system; two customers reported NULL ptr derefs in evict_flags. This is tagged Denial of Service, has no public exploit identified at time of analysis, and carries a low EPSS of 0.18% (7th percentile).

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
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Quick Facts

Typical Severity
MEDIUM
Category
other
Total CVEs
39731

MITRE ATT&CK

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