{
  "cveId": "CVE-2021-20193",
  "url": "https://patchblox.com/security/cve/CVE-2021-20193",
  "summary": "CVE-2021-20193 is fixed in 2 products on 1 platform, first by tar 1.29b-2ubuntu0.3, released March 26, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "tar: A flaw was found in the src/list.c of tar 1.33 and earlier",
  "description": "A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.",
  "published": "2021-03-26T10:15:00Z",
  "severity": "Low",
  "epss": 0.01096,
  "epssPercentile": 0.65762,
  "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-2ubuntu0.3",
      "fix": "tar 1.29b-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tar-1.29b-2ubuntu0.3",
      "released": "2021-03-26T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tar",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.30\u002Bdfsg-7ubuntu0.20.04.2",
      "fix": "tar 1.30\u002Bdfsg-7ubuntu0.20.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tar-1.30-dfsg-7ubuntu0.20.04.2",
      "released": "2021-03-26T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tar",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.34\u002Bdfsg-1build1",
      "fix": "tar 1.34\u002Bdfsg-1build1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-tar-1.34-dfsg-1build1",
      "released": "2021-03-26T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tar-scripts",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.29b-2ubuntu0.3",
      "fix": "tar-scripts 1.29b-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tar-scripts-1.29b-2ubuntu0.3",
      "released": "2021-03-26T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tar-scripts",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.30\u002Bdfsg-7ubuntu0.20.04.2",
      "fix": "tar-scripts 1.30\u002Bdfsg-7ubuntu0.20.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tar-scripts-1.30-dfsg-7ubuntu0.20.04.2",
      "released": "2021-03-26T10:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tar-scripts",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.34\u002Bdfsg-1build1",
      "fix": "tar-scripts 1.34\u002Bdfsg-1build1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-tar-scripts-1.34-dfsg-1build1",
      "released": "2021-03-26T10:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}