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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 (40169)

EPSS 1% CVSS 7.5
HIGH POC PATCH This Week

Directus is a real-time API and App dashboard for managing SQL database content. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Directus Monospace
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Fix two locking issues with thermal zone debug With the current thermal zone locking arrangement in the debugfs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux
NVD VulDB
EPSS 1% CVSS 5.9
MEDIUM This Month

In modem, there is a possible system crash due to improper input validation. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

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

In modem, there is a possible out of bounds write due to improper input invalidation. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +3
NVD
EPSS 1% CVSS 7.5
HIGH This Week

In modem, there is a possible out of bounds write due to an incorrect bounds check. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +3
NVD
EPSS 0% CVSS 7.5
HIGH This Week

MileSight DeviceHub - CWE-20 Improper Input Validation may allow Denial of Service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Milesight Devicehub
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary application, version 1.2.10. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Lunary
NVD GitHub
EPSS 1% CVSS 8.1
HIGH POC PATCH This Week

The snapctl component within snapd allows a confined snap to interact with the snapd daemon to take certain privileged actions on behalf of the snap. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Denial Of Service Canonical Snapd
NVD GitHub
EPSS 0% CVSS 4.3
MEDIUM POC This Month

An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Libmodbus
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx->backend pointer. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Use After Free Memory Corruption +1
NVD GitHub
EPSS 1% CVSS 9.1
CRITICAL POC Act Now

An issue in coap_msg.c in Keith Cullen's FreeCoAP v.0.7 allows remote attackers to cause a Denial of Service or potentially disclose information via a specially crafted packet. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Freecoap +1
NVD GitHub
EPSS 1% CVSS 7.3
HIGH This Week

Type confusion in Snapchat LensCore could lead to denial of service or arbitrary code execution prior to version 12.88. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable. No vendor patch available.

RCE Denial Of Service Snapchat Lenscore
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

Use after free in Presentation API in Google Chrome prior to 125.0.6422.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Chrome Google +4
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

Use after free in Dawn in Google Chrome prior to 125.0.6422.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Chrome Google +4
NVD
EPSS 1% CVSS 8.8
HIGH POC This Week

Use after free in Dawn in Google Chrome prior to 125.0.6422.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Chrome Google +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix nfsd4_encode_fattr4() crasher Ensure that args.acl is initialized early. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux H300s Firmware +9
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr() vgic_v2_parse_attr() is responsible for finding the vCPU that. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: don't free NULL coalescing rule If the parsing fails, we can dereference a NULL pointer here. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue Fix NULL pointer data-races in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Google +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: xdp: use flags field to disambiguate broadcast redirect When redirecting a packet using XDP, the bpf_redirect_map() helper will set. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Prevent use-after-free from occurring after cdev removal Since thermal_debug_cdev_remove() does not run under. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Denial Of Service Linux Use After Free +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: spi: fix null pointer dereference within spi_sync If spi_sync() is called with the non-empty queue and the same spi_message is then. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: net: core: reject skb_copy(_expand) for fraglist GSO skbs SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +2
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Kernel panic via NULL pointer dereference in the s390 qeth IQD Layer3 network driver affects IBM mainframe Linux systems running kernel versions up to 6.9-rc5. Setting the hsuid attribute on an IQD Layer3 device while its network interface is UP causes qeth_free_qdio_queues() to clear napi.poll function pointers that are never restored, because commit 1cfef80d4c2b removed the dev_close()/dev_open() calls that previously handled re-initialization. When subsequent network softirq processing invokes __napi_poll() against the NULL pointer, the s390 CPU triggers an illegal operation exception and fatal kernel panic. No public exploit code exists and EPSS at 0.22% (12th percentile) reflects the highly specific trigger conditions and niche hardware footprint; this vulnerability is not in CISA KEV.

Denial Of Service Linux Null Pointer Dereference +1
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE At the time of LPAR boot up, partition firmware provides Open. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y Using restricted DMA pools (CONFIG_DMA_RESTRICTED_POOL=y) in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: bpf: Check bloom filter map value size This patch adds a missing check to bloom filter creating, rejecting values above. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.

Denial Of Service Linux Integer Overflow
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets TCP_SYN_RECV state is really special, it is only used by cross-syn. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Google +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action() syzbot is able to trigger the following crash [1], caused. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Google +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent NULL dereference in ip6_output() According to syzbot, there is a chance that ip6_dst_idev() returns NULL in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Google +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when devlink reload during initialization The devlink reload process will access the hardware. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.

Denial Of Service Linux Linux Kernel
NVD
EPSS 0% CVSS 7.0
HIGH PATCH This Week

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfo_changed_notify The use-after-free issue occurs as follows: when the GPIO chip device. Rated high severity (CVSS 7.0).

Denial Of Service Linux Race Condition +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Atom Integrated System Info v2_2 for DCN35 New request from KMD/VBIOS in order to support new UMA carveout model. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +2
NVD
EPSS 1% CVSS 9.1
CRITICAL PATCH Act Now

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix access violation during port device removal Testing with KASAN and syzkaller revealed a bug in. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Check for port partner validity before consuming it typec_register_partner() does not guarantee partner. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: mm/slub: avoid zeroing outside-object freepointer for single free Commit 284f17ac13fe ("mm/slub: handle bulk and single object. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: maple_tree: fix mas_empty_area_rev() null pointer dereference Currently the code calls mas_start() followed by mas_data_end() if. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: mm/slab: make __free(kfree) accept error pointers Currently, if an automatically freed allocation is an error pointer that will. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux
NVD VulDB
EPSS 0% CVSS 6.2
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix selection of wake_cpu in kick_pool() With cpu_possible_mask=0-63 and cpu_online_mask=0-7 the following kernel oops. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault() This was missed because of the function pointer indirection. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-msm: pervent access to suspended controller Generic sdhci code registers LED device and uses host->runtime_suspended. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: Julia Lawall reported this null pointer dereference, this should fix it. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when devlink reload during pf initialization The devlink reload process will access the hardware. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.

Denial Of Service Linux Linux Kernel
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

Rubygems.org is the Ruby community's gem hosting service. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

Cesanta Mongoose commit b316989 was discovered to contain a NULL pointer dereference via the scpy function at src/fmt.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

Irontec Sngrep v1.8.1 was discovered to contain a heap buffer overflow via the function rtp_check_packet at /sngrep/src/rtp.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Heap Overflow +2
NVD GitHub
EPSS 0% CVSS 5.3
MEDIUM This Month

hmq v1.5.5 is vulnerable to Denial of Service (DoS) due to a Null Pointer Exception. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD GitHub
EPSS 0% CVSS 8.4
HIGH This Week

A stack-buffer-overflow vulnerability exists in the read_charset_decl function of html2xhtml 1.3. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service +1
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

Dell Data Protection Advisor, version(s) 19.9, contain(s) an Inadequate Encryption Strength vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Dell Data Protection Advisor +2
NVD
EPSS 0% CVSS 7.5
HIGH This Week

In JetBrains TeamCity before 2024.03.2 server was susceptible to DoS attacks with incorrect auth tokens. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Teamcity JetBrains
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: drm/arm/malidp: fix a possible null pointer dereference In malidp_mw_connector_reset, new memory is allocated with kzalloc, but no. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service File Upload Tcpdf +1
NVD GitHub
EPSS 1% CVSS 8.2
HIGH POC This Week

A heap-based buffer overflow vulnerability exists in the Programming Software Connection CurrDir functionality of AutomationDirect P3-550E 1.2.10.9. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +7
NVD
EPSS 1% CVSS 8.2
HIGH POC This Week

A heap-based buffer overflow vulnerability exists in the Programming Software Connection CurrDir functionality of AutomationDirect P3-550E 1.2.10.9. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Memory Corruption +7
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A flaw was found in 389-ds-base. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD
EPSS 1% CVSS 5.7
MEDIUM This Month

A denial of service vulnerability was found in 389-ds-base ldap server. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service
NVD
EPSS 1% CVSS 5.3
MEDIUM PATCH This Month

Minder by Stacklok is an open source software supply chain security platform. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable. No vendor patch available.

Denial Of Service
NVD GitHub
EPSS 1% CVSS 8.6
HIGH PATCH This Week

rack-contrib provides contributed rack middleware and utilities for Rack, a Ruby web server interface. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM This Month

Hw64.sys in Marvin Test HW.exe before 5.0.5.0 allows unprivileged user-mode processes to arbitrarily map physical memory with read/write access via the MmMapIoSpace API (IOCTL 0x9c40a4f8, 0x9c40a4e8,. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

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

PingCAP TiDB v7.5.1 was discovered to contain a NULL pointer dereference via the component SortedRowContainer. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Tidb +1
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

PingCAP TiDB v7.5.1 was discovered to contain a buffer overflow vulnerability, which could lead to database crashes and denial of service attacks. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Tidb +1
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Kwik commit 745fd4e2 does not discard unused encryption keys. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

A denial of service (DoS) condition was discovered in GitLab CE/EE affecting all versions from 13.2.4 before 16.10.6, 16.11 before 16.11.3, and 17.0 before 17.0.1. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Gitlab
NVD
EPSS 0% CVSS 8.8
HIGH PATCH This Week

Use-after-free in the Linux kernel's Bluetooth L2CAP subsystem allows an unauthenticated attacker within Bluetooth range to corrupt kernel memory by triggering a race condition in l2cap_connect(). The flaw arises because a channel object (chan) can be freed by a concurrent l2cap_conn_del() call while l2cap_connect() continues to access it outside the protecting mutex, leading to KASAN-confirmed slab-use-after-free. Impact includes potential kernel code execution or system crash; no public exploit identified at time of analysis and EPSS remains low at 0.46% (37th percentile), but the adjacent-network attack surface with no authentication requirement elevates practical concern on Bluetooth-enabled systems.

Denial Of Service Linux Use After Free +1
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Fix potential null-ptr-deref Fix potential null-ptr-deref in hci_le_big_sync_established_evt(). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 1% CVSS 6.5
MEDIUM POC This Month

An issue has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Gitlab
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

IBM App Connect Enterprise 11.0.0.1 through 11.0.0.25 and 12.0.1.0 through 12.0.12.0 integration nodes could allow an authenticated user to cause a denial of service due to an uncaught exception. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Denial Of Service IBM App Connect Enterprise
NVD
EPSS 0% CVSS 5.3
MEDIUM This Month

OpenLiteSpeed before 1.8.1 mishandles chunked encoding. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Openlitespeed Litespeedtech
NVD GitHub
EPSS 0% CVSS 7.8
HIGH This Week

The storage controllers on VMware ESXi, Workstation, and Fusion have out-of-bounds read/write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +5
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix NULL dereference in nfs3svc_encode_getaclres In error cases the dentry may be NULL. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference
NVD VulDB
EPSS 1% CVSS 7.5
HIGH POC This Week

An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_do_gc function in the mjs.c file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Mjs Cesanta
NVD GitHub
EPSS 1% CVSS 4.3
MEDIUM POC This Month

An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_mk_ffi_sig function in the mjs.c file. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure +2
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_array_length function in the mjs.c file. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Mjs Cesanta
NVD GitHub
EPSS 0% CVSS 6.8
MEDIUM PATCH This Month

There exists a Denial of service vulnerability in Tink-cc in versions prior to 2.1.3. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity.

Denial Of Service Google Tink C
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM This Month

The buffer overflow vulnerability in the DX3300-T1 firmware version V5.50(ABVY.4)C0 could allow an authenticated local attacker to cause denial of service (DoS) conditions by executing the CLI. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Zyxel +65
NVD
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

Minder is a software supply chain security platform. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable. No vendor patch available.

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

Buffer Overflow vulnerability in Waxlab wax v.0.9-3 and before allows an attacker to cause a denial of service via the Lua library component. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Denial Of Service Information Disclosure
NVD GitHub
EPSS 0% CVSS 7.5
HIGH This Week

An issue in Quanxun Huiju Network Technology(Beijing) Co.,Ltd IK-Q3000 3.7.10 x64 Build202401261655 allows attackers to cause a Denial of Service (DoS) when attempting to make TCP connections. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

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

An issue in taurusxin ncmdump v1.3.2 allows attackers to cause a Denial of Service (DoS) via memory exhaustion by supplying a crafted .ncm file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service
NVD GitHub
EPSS 0% CVSS 5.0
MEDIUM POC This Month

taurusxin ncmdump v1.3.2 was discovered to contain a segmentation violation via the NeteaseCrypt::FixMetadata() function at /src/ncmcrypt.cpp. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference
NVD GitHub
EPSS 28% CVSS 9.8
CRITICAL POC PATCH THREAT Act Now

A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

RCE Buffer Overflow Denial Of Service +4
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in ip_route_use_hint() syzbot was able to trigger a NULL deref in fib_validate_source() in an old tree. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: dpll: fix dpll_pin_on_pin_register() for multiple parent pins In scenario where pin is registered with multiple parent pins via. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid: remove I2C_HID_READ_PENDING flag to prevent lock-up The flag I2C_HID_READ_PENDING is used to serialize I2C. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: Fix memory related IO errors and crashes It turns out that while the QSEECOM APP_SEND command has. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.

Denial Of Service Linux
NVD VulDB
EPSS 0% CVSS 7.0
HIGH PATCH This Week

Use-after-free in the Linux kernel's TUSB1210 USB PHY charger-detection driver allows a local attacker to crash the kernel or potentially escalate privileges when the charger power supply device is unregistered while the tusb1210 driver holds a live reference. The power_supply framework does not protect against long-lived references across unregistration events, leaving tusb1210_get_online() with a dangling pointer that dereferences freed memory on next invocation. No public exploit code exists and EPSS is 0.21%, indicating low exploitation activity; the defect has been patched across multiple stable kernel branches.

Denial Of Service Linux Use After Free +1
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: sched/eevdf: Prevent vlag from going out of bounds in reweight_eevdf() It was possible to have pick_eevdf() return NULL, which then. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: fix NULL function pointer dereference Baruch reported an OOPS when using the designware controller as target only. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS bits_per() rounds up to the next power of two when passed a. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid infinite loop trying to resize local TT If the MTU of one of an attached interface becomes too small to transmit. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel
NVD
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