CVE-2023-22486

Published Jan 26, 2023

Last updated a year ago

Overview

Description: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. Versions prior to 0.29.0.gfm.7 contain a polynomial time complexity issue in handle_close_bracket that may lead to unbounded resource exhaustion and subsequent denial of service. This vulnerability has been patched in 0.29.0.gfm.7.
Source: security-advisories@github.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-400
security-advisories@github.com: CWE-400

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BEFD0856-0CFF-4D0F-B9D5-02F4A537C5CE",
            "versionEndExcluding": "0.29.0.gfm.7"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References