{
  "cveId": "CVE-2018-20482",
  "url": "https://patchblox.com/security/cve/CVE-2018-20482",
  "summary": "CVE-2018-20482 is fixed in 2 products on 1 platform, first by tar 1.29b-2ubuntu0.2, released March 22, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "tar: GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users t...",
  "description": "GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user\u0027s process (e.g., a system backup running as root).",
  "published": "2018-12-26T10:29:00Z",
  "severity": "Low",
  "epss": 0.0053,
  "epssPercentile": 0.45036,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "tar",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.29b-2ubuntu0.2",
      "fix": "tar 1.29b-2ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tar-1.29b-2ubuntu0.2",
      "released": "2019-03-22T01:29:00Z"
    },
    {
      "platform": "linux",
      "product": "tar-scripts",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.29b-2ubuntu0.2",
      "fix": "tar-scripts 1.29b-2ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tar-scripts-1.29b-2ubuntu0.2",
      "released": "2019-03-22T01:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}