{
  "cveId": "CVE-2023-52426",
  "url": "https://patchblox.com/security/cve/CVE-2023-52426",
  "summary": "CVE-2023-52426 is fixed in 18 products on 1 platform, first by expat 2.6.0-1, released February 4, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "expat: libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD isundefined at compile time.",
  "description": "libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD isundefined at compile time.",
  "published": "2024-02-04T12:15:00Z",
  "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": 0.00394,
  "epssPercentile": 0.33869,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.6.0-1",
      "fix": "DEBIAN-CVE-2023-52426",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52426",
      "released": "2024-02-04T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 14",
      "fixedVersion": "2.6.0-1",
      "fix": "DEBIAN-CVE-2023-52426",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52426",
      "released": "2024-02-04T20:15:46Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.6.0-1",
      "fix": "expat 2.6.0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-expat-2.6.0-1",
      "released": "2024-02-04T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.6.0-1",
      "fix": "expat 2.6.0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-expat-2.6.0-1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.6.0-1",
      "fix": "expat 2.6.0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-expat-2.6.0-1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2024-524",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-524",
      "released": "2024-02-15T02:51:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2024-524",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-524",
      "released": "2024-02-15T02:51:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2024-524",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-524",
      "released": "2024-02-15T02:51:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-devel",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2024-524",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-524",
      "released": "2024-02-15T02:51:00Z"
    },
    {
      "platform": "linux",
      "product": "expat-static",
      "release": "amzn 2023",
      "fixedVersion": "2.5.0-1.amzn2023.0.3",
      "fix": "ALAS2023-2024-524",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-524",
      "released": "2024-02-15T02:51:00Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.6.0-1",
      "fix": "libexpat1 2.6.0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libexpat1-2.6.0-1",
      "released": "2024-02-04T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "2.6.0-1",
      "fix": "libexpat1 2.6.0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libexpat1-2.6.0-1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "libexpat1",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "2.6.0-1",
      "fix": "libexpat1 2.6.0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libexpat1-2.6.0-1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-apps",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-apps-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-c\u002B\u002B",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-c\u002B\u002B-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-client",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-client\u002B\u002B",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-client\u002B\u002B-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-client-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    },
    {
      "platform": "linux",
      "product": "xmlrpc-c-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.51.08-2.amzn2023.0.2",
      "fix": "ALAS2023-2025-1229",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2025-1229",
      "released": "2025-10-27T14:26:00Z"
    }
  ],
  "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"
  }
}