{
  "cveId": "CVE-2023-37463",
  "url": "https://patchblox.com/security/cve/CVE-2023-37463",
  "summary": "CVE-2023-37463 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2023-37463, released July 13, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "cmark-gfm: cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown...",
  "description": "cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. These vulnerabilities have been patched in 0.29.0.gfm.12.",
  "published": "2023-07-13T20:15:09Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00696,
  "epssPercentile": 0.53248,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "cmark-gfm",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.29.0.gfm.13-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "cmark-gfm",
      "release": "Debian 14",
      "fixedVersion": "0.29.0.gfm.13-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "python-cmarkgfm",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2024.11.20-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "python-cmarkgfm",
      "release": "Debian 14",
      "fixedVersion": "2024.11.20-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "r-cran-commonmark",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.9.1-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "r-cran-commonmark",
      "release": "Debian 14",
      "fixedVersion": "1.9.1-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "ruby-commonmarker",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.23.10-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    },
    {
      "platform": "linux",
      "product": "ruby-commonmarker",
      "release": "Debian 14",
      "fixedVersion": "0.23.10-1",
      "fix": "DEBIAN-CVE-2023-37463",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-37463",
      "released": "2023-07-13T20:15:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}