{
  "cveId": "CVE-2026-42250",
  "url": "https://patchblox.com/security/cve/CVE-2026-42250",
  "summary": "CVE-2026-42250 is fixed in 2 products on 1 platform, first by bzip2 1.0.6-8.1ubuntu0.2\u002Besm1, released May 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Off-by-One Leading to Out-of-Bounds Write in bzip2",
  "description": "bzip2 contains an off\u2011by\u2011one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out\u2011of\u2011bounds write to a global buffer, resulting in memory corruption and a crash (denial of service). This issue was fixed in bzip2 patch\u00A035d122a3df8b0cc4082a4d89fdc6ee99f375fe67",
  "published": "2026-05-28T07:16:00Z",
  "severity": "Low",
  "cwe": "Out-of-bounds Write",
  "epss": 0.00126,
  "epssPercentile": 0.02342,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42250",
  "fixes": [
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.0.6-8.1ubuntu0.2\u002Besm1",
      "fix": "bzip2 1.0.6-8.1ubuntu0.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bzip2-1.0.6-8.1ubuntu0.2-esm1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.0.8-2ubuntu0.1~esm1",
      "fix": "bzip2 1.0.8-2ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bzip2-1.0.8-2ubuntu0.1-esm1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.0.8-5ubuntu0.1",
      "fix": "bzip2 1.0.8-5ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-bzip2-1.0.8-5ubuntu0.1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.0.8-5.1ubuntu0.1",
      "fix": "bzip2 1.0.8-5.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-bzip2-1.0.8-5.1ubuntu0.1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.0.8-6ubuntu0.1",
      "fix": "bzip2 1.0.8-6ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-bzip2-1.0.8-6ubuntu0.1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.0.8-160000.3.1",
      "fix": "OPENSUSE-SU-2026:21762-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21762-1",
      "released": "2026-09-04T13:48:44Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "sles 15.7",
      "fixedVersion": "1.0.8-150400.3.4.1",
      "fix": "SUSE-SU-2026:4055-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4055-1",
      "released": "2026-09-07T15:48:29Z"
    },
    {
      "platform": "linux",
      "product": "bzip2",
      "release": "sles 16.0",
      "fixedVersion": "1.0.8-160000.3.1",
      "fix": "SUSE-SU-2026:23627-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23627-1",
      "released": "2026-09-04T13:48:51Z"
    },
    {
      "platform": "linux",
      "product": "libbz2-1.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.0.6-8.1ubuntu0.2\u002Besm1",
      "fix": "libbz2-1.0 1.0.6-8.1ubuntu0.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libbz2-1.0-1.0.6-8.1ubuntu0.2-esm1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libbz2-1.0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.0.8-2ubuntu0.1~esm1",
      "fix": "libbz2-1.0 1.0.8-2ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libbz2-1.0-1.0.8-2ubuntu0.1-esm1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libbz2-1.0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.0.8-5ubuntu0.1",
      "fix": "libbz2-1.0 1.0.8-5ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libbz2-1.0-1.0.8-5ubuntu0.1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libbz2-1.0",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.0.8-5.1ubuntu0.1",
      "fix": "libbz2-1.0 1.0.8-5.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libbz2-1.0-1.0.8-5.1ubuntu0.1",
      "released": "2026-05-28T07:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libbz2-1.0",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.0.8-6ubuntu0.1",
      "fix": "libbz2-1.0 1.0.8-6ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libbz2-1.0-1.0.8-6ubuntu0.1",
      "released": "2026-05-28T07:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}