{
  "cveId": "CVE-2026-110602",
  "url": "https://patchblox.com/security/cve/CVE-2026-110602",
  "summary": "CVE-2026-110602 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-110602, released October 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libmspack through 0.11alpha Uninitialized Pointer Free via kwajd_open Error Path",
  "description": "libmspack through 0.11alpha contains an uninitialized pointer free vulnerability in kwajd_open() in mspack/kwajd.c that frees unzeroed filename and extra pointers on header read errors. Attackers can supply a truncated, empty, or wrong-signature KWAJ file to crash the process or obtain an arbitrary-free memory corruption primitive.",
  "published": "2026-10-14T08:17:00Z",
  "severity": "Moderate",
  "cvss": 6.3,
  "cwe": "Access of Uninitialized Pointer",
  "epss": 0.00235,
  "epssPercentile": 0.14595,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-110602",
  "fixes": [
    {
      "platform": "linux",
      "product": "libmspack",
      "release": "Debian 14",
      "fixedVersion": "0.11-2",
      "fix": "DEBIAN-CVE-2026-110602",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-110602",
      "released": "2026-10-27T21:14:52Z"
    },
    {
      "platform": "linux",
      "product": "libmspack0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "0.10.1-2ubuntu0.1",
      "fix": "libmspack0 0.10.1-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libmspack0-0.10.1-2ubuntu0.1",
      "released": "2026-11-04T19:14:56Z"
    },
    {
      "platform": "linux",
      "product": "libmspack0t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "0.11-1.1ubuntu0.24.04.1",
      "fix": "libmspack0t64 0.11-1.1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libmspack0t64-0.11-1.1ubuntu0.24.04.1",
      "released": "2026-11-04T19:14:59Z"
    },
    {
      "platform": "linux",
      "product": "libmspack0t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "0.11-1.1ubuntu0.26.04.1",
      "fix": "libmspack0t64 0.11-1.1ubuntu0.26.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libmspack0t64-0.11-1.1ubuntu0.26.04.1",
      "released": "2026-11-07T00:38:05Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}