Denial of Service
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 (36990)
In the Linux kernel, the following vulnerability has been resolved: crypto: starfive - Do not free stack buffer RSA text data uses variable length buffer allocated in software stack. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: do not call vma_add_reservation upon ENOMEM sysbot reported a splat [1] on __unmap_hugepage_range(). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fix vmalloc which may return null if called with __GFP_NOFAIL commit a421ef303008 ("mm: allow !GFP_KERNEL allocations. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension If a process module does not have base. 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.
In the Linux kernel, the following vulnerability has been resolved: xfs: fix log recovery buffer allocation for the legacy h_size fixup Commit a70f9fe52daa ("xfs: detect and handle invalid iclog size. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Allocation of Resources Without Limits vulnerability could allow attackers to exhaust system resources through uncontrolled allocation.
The Premium Addons for Elementor plugin for WordPress is vulnerable to Regular Expression Denial of Service (ReDoS) in all versions up to, and including, 4.10.35. Rated low severity (CVSS 3.1), this vulnerability is remotely exploitable. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache Tomcat. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A malicious BLE device can send a specific order of packet sequence to cause a DoS attack on the victim BLE device. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A flaw was found in the cockpit package. Rated low severity (CVSS 3.2), this vulnerability is low attack complexity. No vendor patch available.
Uncontrolled Resource Consumption vulnerability in MESbook 20221021.03 version. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A flaw was found in the QEMU disk image utility (qemu-img) 'info' command. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Rack is a modular Ruby web server interface. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
Denial of Service (DoS) vulnerability in Jungo WinDriver before 12.7.0 allows local attackers to cause a Windows blue screen error. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper privilege management in Jungo WinDriver before 12.5.1 allows local attackers to escalate privileges, execute arbitrary code, or cause a Denial of Service (DoS). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Denial of Service (DoS) vulnerability in Jungo WinDriver before 12.5.1 allows local attackers to cause a Windows blue screen error. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.5.1 allows local attackers to cause a Windows blue screen error and Denial of Service (DoS). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.6.0 allows local attackers to cause a Windows blue screen error and Denial of Service (DoS). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Denial of Service (DoS) vulnerability in Jungo WinDriver before 12.6.0 allows local attackers to cause a Windows blue screen error. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in parsing RTCP SDES packet in librtp.so prior to SMR Jul-2024 Release 1 allows remote attackers to trigger temporary denial of service. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper input validation in parsing an item data from RTCP SDES packet in librtp.so prior to SMR Jul-2024 Release 1 allows remote attackers to trigger temporary denial of service. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper input validation혻in parsing an item type from RTCP SDES packet in librtp.so prior to SMR Jul-2024 Release 1 allows remote attackers to trigger temporary denial of service. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper input validation in parsing RTCP RR packet in librtp.so prior to SMR Jul-2024 Release 1 allows remote attackers to trigger temporary denial of service. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper input validation혻in parsing RTCP SR packet in librtp.so prior to SMR Jul-2024 Release 1 allows remote attackers to trigger temporary denial of service. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
in OpenHarmony v4.0.0 and prior versions allow a remote attacker arbitrary code execution in pre-installed apps through use after free. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
in OpenHarmony v4.0.0 and prior versions allow a local attacker cause apps crash through type confusion. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
in OpenHarmony v4.0.0 and prior versions allow a local attacker cause apps crash through type confusion. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Dell PowerScale OneFS versions 8.2.2.x through 9.8.0.0 contain an incorrect privilege assignment vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Async <= 2.6.4 and <= 3.2.5 are vulnerable to ReDoS (Regular Expression Denial of Service) while parsing function in autoinject function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
gorilla/schema converts structs to and from form values. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10 and Splunk Cloud Platform versions below 9.1.2312.109, an attacker could determine whether or not another user exists on the instance by. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10 and Splunk Cloud Platform versions below 9.2.2403.100, an authenticated, low-privileged user that does not hold the admin or power Splunk. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10 and Splunk Cloud Platform versions below 9.1.2312.109 and 9.1.2308.207, an attacker could trigger a null pointer reference on the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series and NFX Series allows an unauthenticated,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
adolph_dudu ratio-swiper 0.0.2 was discovered to contain a prototype pollution via the function parse. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
harvey-woo cat5th/key-serializer v0.2.5 was discovered to contain a prototype pollution via the function "query". Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
agreejs shared v0.0.1 was discovered to contain a prototype pollution via the function mergeInternalComponents. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
che3vinci c3/utils-1 1.0.131 was discovered to contain a prototype pollution via the function assign. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
cafebazaar hod v0.4.14 was discovered to contain a prototype pollution via the function request. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
ahilfoley cahil/utils v2.3.2 was discovered to contain a prototype pollution via the function set. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
2o3t-utility v0.1.2 was discovered to contain a prototype pollution via the function extend. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
robinweser fast-loops v1.1.3 was discovered to contain a prototype pollution via the function objectMergeDeep. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
amoyjs amoy common v1.0.10 was discovered to contain a prototype pollution via the function setValue. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
rjrodger jsonic-next v2.12.1 was discovered to contain a prototype pollution via the function util.clone. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
ag-grid-enterprise v31.3.2 was discovered to contain a prototype pollution via the component _ModuleSupport.jsonApply. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
adolph_dudu ratio-swiper v0.0.2 was discovered to contain a prototype pollution via the function parse. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
jrburke requirejs v2.3.6 was discovered to contain a prototype pollution via the function s.contexts._.configure. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
adolph_dudu ratio-swiper v0.0.2 was discovered to contain a prototype pollution via the function extendDefaults. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
ag-grid-community v31.3.2 and ag-grid-enterprise v31.3.2 were discovered to contain a prototype pollution via the _.mergeDeep function. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
amoyjs amoy common v1.0.10 was discovered to contain a prototype pollution via the function extend. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
rjrodger jsonic-next v2.12.1 was discovered to contain a prototype pollution via the function empty. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
airvertco frappejs v0.0.11 was discovered to contain a prototype pollution via the function registerView. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
akbr patch-into v1.0.1 was discovered to contain a prototype pollution via the function patchInto. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Tada5hi sp-common v0.5.4 was discovered to contain a prototype pollution via the function mergeDeep. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
aofl cli-lib v3.14.0 was discovered to contain a prototype pollution via the component defaultsDeep. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In faceid servive, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In faceid servive, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In trusty service, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In trusty service, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In Modem, there is a possible system crash due to incorrect error handling. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Modem, there is a possible system crash due to incorrect error handling. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A path traversal vulnerability in the get-project-files functionality of stitionai/devika allows attackers to read arbitrary files from the filesystem and cause a Denial of Service (DoS). 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.
dd-trace-cpp is the Datadog distributed tracing for C++. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
nptd-rs is a tool for synchronizing your computer's clock, implementing the NTP and NTS protocols. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, and 9.3 CD is vulnerable to a denial of service attack caused by an error applying configuration changes. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD, in certain configurations, is vulnerable to a denial of service attack caused by an error processing messages when an API Exit using MQBUFMH is. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A Stack Buffer Overflow vulnerability in zziplibv 0.13.77 allows attackers to cause a denial of service via the __zzip_fetch_disk_trailer() function at /zzip/zip.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.
A NULL Pointer Dereference vulnerability in DumpTS v0.1.0-nightly allows attackers to cause a denial of service via the function VerifyCommandLine() at /src/DumpTS.cpp. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
VMware Cloud Director contains an Improper Privilege Management vulnerability. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Heap Buffer Overflow vulnerability in zziplib v0.13.77 allows attackers to cause a denial of service via the __zzip_parse_root_directory() function at /zzip/zip.c. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A NULL Pointer Dereference discovered in DumpTS v0.1.0-nightly allows attackers to cause a denial of service via the function DumpOneStream() at /src/DumpStream.cpp. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Heap Buffer Overflow vulnerability in DumpTS v0.1.0-nightly allows attackers to cause a denial of service via the function PushTSBuf() at /src/PayloadBuf.cpp. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A path traversal vulnerability exists in gaizhenbiao/chuanhuchatgpt version 20240410, allowing any user to delete other users' chat histories. 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.
A Regular Expression Denial of Service (ReDoS) vulnerability exists in the latest version of gaizhenbiao/chuanhuchatgpt. 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.
In h2oai/h2o-3 version 3.46.0, the `run_tool` command in the `rapids` component allows the `main` function of any class under the `water.tools` namespace to be called. 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.
An unauthenticated IEEE 802.15.4 'co-ordinator realignment' packet can be used to force Zigbee nodes to change their network identifier (pan ID), leading to a denial of service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Security Verify Access 10.0.0.0 through 10.0.7.1, under certain configurations, could allow an unauthenticated attacker to cause a denial of service due to asymmetric resource consumption. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Multiple Denial of Service (DoS) conditions has been discovered in GitLab CE/EE affecting all versions starting from 1.0 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue was discovered in GitLab CE/EE affecting all versions starting from 12.0 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, which allows for an. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in GitLab CE/EE affecting all versions starting from 9.2 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, with the processing. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer Overflow vulnerability in SAS Broker 9.2 build 1495 allows attackers to cause denial of service or obtain sensitive information via crafted payload to the '_debug' parameter. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue was discovered on HMS Anybus X-Gateway AB7832-F 3 devices. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SoftEtherVPN is a an open-source cross-platform multi-protocol VPN Program. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
There exists a vulnerability in Quick Share/Nearby, where an attacker can force a victim to stay connected to a temporary hotspot created for the sharing. Rated medium severity (CVSS 5.9).
Dell PowerProtect DD, versions prior to 8.0, LTS 7.13.1.0, LTS 7.10.1.30, LTS 7.7.5.40 contain an Improper Control of a Resource Through its Lifetime vulnerability in an admin operation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In WhatsUp Gold versions released before 2023.1.3, an unauthenticated Denial of Service vulnerability was identified. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In WhatsUp Gold versions released before 2023.1.3, an uncontrolled resource consumption vulnerability exists. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
A nil pointer dereference in PingCAP TiDB v8.2.0-alpha-216-gfe5858b allows attackers to crash the application via expression.inferCollation. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: eventfs: Fix a possible null pointer dereference in eventfs_find_events() In function eventfs_find_events,there is a potential null. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.