{
  "cveId": "CVE-2019-9923",
  "url": "https://patchblox.com/security/cve/CVE-2019-9923",
  "summary": "CVE-2019-9923 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: pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives tha...",
  "description": "pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.",
  "published": "2019-03-22T01:29:00Z",
  "severity": "Low",
  "epss": 0.03152,
  "epssPercentile": 0.88027,
  "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",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.30\u002Bdfsg-7ubuntu0.20.04.1",
      "fix": "tar 1.30\u002Bdfsg-7ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tar-1.30-dfsg-7ubuntu0.20.04.1",
      "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"
    },
    {
      "platform": "linux",
      "product": "tar-scripts",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.30\u002Bdfsg-7ubuntu0.20.04.1",
      "fix": "tar-scripts 1.30\u002Bdfsg-7ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tar-scripts-1.30-dfsg-7ubuntu0.20.04.1",
      "released": "2019-03-22T01:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}