{
  "cveId": "CVE-2023-26303",
  "url": "https://patchblox.com/security/cve/CVE-2023-26303",
  "summary": "CVE-2023-26303 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2023-26303, released February 23, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "python3-markdown-it: Denial of service could be caused to markdown-it-py, before v2.2.0, if anattacker was allowed to force null assertion...",
  "description": "Denial of service could be caused to markdown-it-py, before v2.2.0, if anattacker was allowed to force null assertions with specially crafted input.",
  "published": "2023-02-23T00:15:11Z",
  "severity": "Medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00225,
  "epssPercentile": 0.13266,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "markdown-it-py",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.1.0-5",
      "fix": "DEBIAN-CVE-2023-26303",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-26303",
      "released": "2023-02-23T00:15:11Z"
    },
    {
      "platform": "linux",
      "product": "markdown-it-py",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.1.0-5",
      "fix": "DEBIAN-CVE-2023-26303",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-26303",
      "released": "2023-02-23T00:15:11Z"
    },
    {
      "platform": "linux",
      "product": "markdown-it-py",
      "release": "Debian 14",
      "fixedVersion": "2.1.0-5",
      "fix": "DEBIAN-CVE-2023-26303",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-26303",
      "released": "2023-02-23T00:15:11Z"
    },
    {
      "platform": "linux",
      "product": "python3-markdown-it",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.1.0-4ubuntu1",
      "fix": "python3-markdown-it 2.1.0-4ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-python3-markdown-it-2.1.0-4ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "python3-markdown-it",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.1.0-4ubuntu1",
      "fix": "python3-markdown-it 2.1.0-4ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-python3-markdown-it-2.1.0-4ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}