ubuntu-cve-2019-9923
Vulnerability from osv_ubuntu
Published
2019-03-22 08:29
Modified
2025-09-08 16:45
Summary
Details

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.

Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.27.1-1ubuntu0.1+esm1"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.27.1-1ubuntu0.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.27.1-1ubuntu0.1+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.27.1-1ubuntu0.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.26+dfsg-8",
        "1.27-3",
        "1.27-4",
        "1.27.1-1",
        "1.27.1-1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.28-2.1ubuntu0.2"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.28-2.1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.28-2.1ubuntu0.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.28-2.1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.27.1-2",
        "1.28-2ubuntu1",
        "1.28-2.1",
        "1.28-2.1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.29b-2ubuntu0.2"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.29b-2ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.29b-2ubuntu0.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.29b-2ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.29b-2",
        "1.29b-2ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.30+dfsg-7ubuntu0.20.04.1"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.30+dfsg-7ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.30+dfsg-7ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.30+dfsg-7ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.30+dfsg-6",
        "1.30+dfsg-7"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2019-9923",
  "modified": "2025-09-08T16:45:21Z",
  "published": "2019-03-22T08:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-9923"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4692-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-9923"
    }
  ],
  "related": [
    "USN-4692-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-9923"
  ]
}



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