{
  "cveId": "CVE-2026-45186",
  "url": "https://patchblox.com/security/cve/CVE-2026-45186",
  "summary": "CVE-2026-45186 is fixed in 14 products on 1 platform, first by RHSA-2026:22715, released May 10, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.",
  "description": "In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.",
  "published": "2026-05-10T00:16:00Z",
  "severity": "Low",
  "cvss": 8.2,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
  "cwe": "Inefficient Algorithmic Complexity",
  "epss": 0.00479,
  "epssPercentile": 0.41617,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45186",
  "fixes": [
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "153.5.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:22139-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22139-1",
      "released": "2026-11-07T00:47:19Z"
    },
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "sles 15.6",
      "fixedVersion": "153.5.0-150400.157.16.1",
      "fix": "SUSE-SU-2026:4834-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4834-1",
      "released": "2026-11-07T00:42:08Z"
    },
    {
      "platform": "linux",
      "product": "MozillaFirefox",
      "release": "sles 15.7",
      "fixedVersion": "153.5.0-150400.157.16.1",
      "fix": "SUSE-SU-2026:4834-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4834-1",
      "released": "2026-11-07T00:42:08Z"
    },
    {
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      "product": "MozillaFirefox",
      "release": "sles 16.0",
      "fixedVersion": "153.5.0-160000.1.1",
      "fix": "SUSE-SU-2026:24260-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24260-1",
      "released": "2026-11-07T00:44:01Z"
    },
    {
      "platform": "linux",
      "product": "MozillaThunderbird",
      "release": "sles 15.7",
      "fixedVersion": "153.5.0-150400.13.9.1",
      "fix": "SUSE-SU-2026:4736-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4736-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.5.0-1\u002Bdeb12u4",
      "fix": "DEBIAN-CVE-2026-45186",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45186",
      "released": "2026-05-27T17:38:13Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.8.2-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-45186",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45186",
      "released": "2026-05-27T17:38:13Z"
    },
    {
      "platform": "linux",
      "product": "expat",
      "release": "Debian 14",
      "fixedVersion": "2.8.0-2",
      "fix": "DEBIAN-CVE-2026-45186",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45186",
      "released": "2026-05-27T17:38:13Z"
    },
    {
      "platform": "linux",
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      "release": "RHEL 10",
      "fixedVersion": "2.7.3-1.el10_2.1",
      "fix": "RHSA-2026:22715",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-22715",
      "released": "2026-05-10T06:36:16Z"
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      "fix": "RHSA-2026:22721",
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      "released": "2026-06-24T14:07:58Z"
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      "fix": "RHSA-2026:23230",
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      "released": "2026-06-24T14:09:17Z"
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      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2.6.1-2ubuntu0.5",
      "fix": "expat 2.6.1-2ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-expat-2.6.1-2ubuntu0.5",
      "released": "2026-06-21T10:16:00Z"
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      "product": "expat",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-expat-2.7.4-1ubuntu0.1",
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      "released": "2026-06-23T00:00:00Z"
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      "fix": "OPENSUSE-SU-2026:21945-1",
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    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}