{
  "cveId": "CVE-2026-90783",
  "url": "https://patchblox.com/security/cve/CVE-2026-90783",
  "summary": "CVE-2026-90783 is fixed in 5 products on 1 platform, first by OPENSUSE-SU-2026:21867-1, released September 16, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "mkvtoolnix: MKVToolNix through 101.0 contains a heap buffer overflow in the bundled avilib library\u0027s ODML superindex parser due t...",
  "description": "MKVToolNix through 101.0 contains a heap buffer overflow in the bundled avilib library\u0027s ODML superindex parser due to integer wraparound in 32-bit arithmetic. Attackers can craft a malicious AVI file with oversized entry counts that cause an undersized heap allocation, allowing a heap buffer overflow when the file is parsed with mkvmerge.",
  "published": "2026-09-13T13:16:29Z",
  "severity": "important",
  "epss": 0.00202,
  "epssPercentile": 0.10112,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mkvtoolnix",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "74.0.0-1\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-90783",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90783",
      "released": "2026-09-17T18:08:56Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "92.0-1\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-90783",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90783",
      "released": "2026-09-17T18:08:56Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix",
      "release": "Debian 14",
      "fixedVersion": "101.0-2",
      "fix": "DEBIAN-CVE-2026-90783",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-90783",
      "released": "2026-09-17T18:08:56Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix",
      "release": "Fedora 43",
      "fixedVersion": "96.0-2.fc43",
      "fix": "FEDORA-2026-8918B368F4",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-8918b368f4",
      "released": "2026-11-07T01:05:44Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "95.0-bp160.2.1",
      "fix": "OPENSUSE-SU-2026:21867-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21867-1",
      "released": "2026-09-16T16:27:55Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "96.0-2.fc43",
      "fix": "FEDORA-2026-8918B368F4",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-8918b368f4",
      "released": "2026-11-07T01:05:44Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix-debugsource",
      "release": "Fedora 43",
      "fixedVersion": "96.0-2.fc43",
      "fix": "FEDORA-2026-8918B368F4",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-8918b368f4",
      "released": "2026-11-07T01:05:44Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix-gui",
      "release": "Fedora 43",
      "fixedVersion": "96.0-2.fc43",
      "fix": "FEDORA-2026-8918B368F4",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-8918b368f4",
      "released": "2026-11-07T01:05:44Z"
    },
    {
      "platform": "linux",
      "product": "mkvtoolnix-gui-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "96.0-2.fc43",
      "fix": "FEDORA-2026-8918B368F4",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-8918b368f4",
      "released": "2026-11-07T01:05:44Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}