Denial Of Service (DoS)

ajv is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to passing attacker-controlled values from $data references directly into the JavaScript RegExp constructor without validation. This allowing malicious regex patterns that trigger catastrophic backtracking a...

Regular Expression Denial of Service (ReDoS) Detector

This Metasploit auxiliary module implements a scientific approach to detecting and validating ReDoS vulnerabilities in HTTP-based applications. It leverages context-aware payload generation, length progression testing, and statistical analysis to identify inefficient regular expressions that may...

dompurify: Mutation XSS in DOMPurify Due to Improper Template Literal Handling

A flaw was found in DOMPurify. This vulnerability allows attackers to execute mutation-based Cross-site scripting mXSS via an incorrect template literal regular expression...

SUSE CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-0967

A flaw was found in libssh. A remote attacker, by controlling client configuration files or knownhosts files, could craft specific hostnames that when processed by the matchpattern function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion,...

CVE-2025-69873

A flaw was found in ajv. When the $data option is enabled, the value of the pattern keyword is passed directly to the JavaScript RegExp constructor without sufficient validation. An attacker able to supply a malicious regular expression pattern can trigger a ReDoS Regular Expression Denial of...

markdown-it is has a Regular Expression Denial of Service (ReDoS)

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

UBUNTU-CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

CVE-2026-2327

The CVE-2026-2327 case concerns the markdown-it package. Affected versions: 13.0.0 through 14.1.0 (and up to 14.1.1 as fixed) are vulnerable to a Regular Expression Denial of Service in the linkify function due to the regex /*$/ used for links; an attacker can provide a long sequence of * follow...

CVE-2026-2327

Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of Service ReDoS due to the use of the regex /+$/ in the linkify function. An attacker can supply a long sequence of characters followed by a non-matching character, which triggers...

Linux Distros Unpatched Vulnerability : CVE-2025-69873

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ajv Another JSON Schema Validator before 8.18.0 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keywor...

PT-2026-7818

Name of the Vulnerable Software and Affected Versions markdown-it versions 13.0.0 through 14.1.0 Description The software is susceptible to a Regular Expression Denial of Service ReDoS condition. This occurs due to the use of the regular expression /+$/ within the linkify function. An attacker ca...

ajv has ReDoS when using `$data` option

ajv Another JSON Schema Validator through version 8.17.1 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax $data reference, which is passed directly to the JavaScript RegExp constructor...

GHSA-2G4F-4PWH-QVX6 ajv has ReDoS when using `$data` option

ajv Another JSON Schema Validator through version 8.17.1 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax $data reference, which is passed directly to the JavaScript RegExp constructor...

DEBIAN-CVE-2025-69873

ajv Another JSON Schema Validator before 8.18.0 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax $data reference, which is passed directly to the JavaScript RegExp constructor without...

CVE-2025-69873

ajv Another JSON Schema Validator before 8.18.0 is vulnerable to Regular Expression Denial of Service ReDoS when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax $data reference, which is passed directly to the JavaScript RegExp constructor without...