USN-8477-1 (UBUNTU-CVE-2026-5704)

Vulnerability from osv_ubuntu – Published: 2026-06-25 20:57 – Updated: 2026-07-16 22:26 – Source website
VLAI
Summary
tar vulnerability
Details

It was discovered that tar incorrectly handled certain crafted archive files. An attacker could possibly use this to inject hidden files with attacker-controlled content, bypassing pre-extraction inspection mechanisms.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.27.1-1ubuntu0.1+esm5"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.27.1-1ubuntu0.1+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.27.1-1ubuntu0.1+esm5?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.27.1-1ubuntu0.1+esm5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.26+dfsg-8",
        "1.27-3",
        "1.27-4",
        "1.27.1-1",
        "1.27.1-1ubuntu0.1",
        "1.27.1-1ubuntu0.1+esm1",
        "1.27.1-1ubuntu0.1+esm2",
        "1.27.1-1ubuntu0.1+esm3",
        "1.27.1-1ubuntu0.1+esm4"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.28-2.1ubuntu0.2+esm4"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.28-2.1ubuntu0.2+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.28-2.1ubuntu0.2+esm4?arch=source\u0026distro=esm-infra-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.28-2.1ubuntu0.2+esm4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.27.1-2",
        "1.28-2ubuntu1",
        "1.28-2.1",
        "1.28-2.1ubuntu0.1",
        "1.28-2.1ubuntu0.2",
        "1.28-2.1ubuntu0.2+esm1",
        "1.28-2.1ubuntu0.2+esm2",
        "1.28-2.1ubuntu0.2+esm3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.29b-2ubuntu0.4+esm2"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.29b-2ubuntu0.4+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.29b-2ubuntu0.4+esm2?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.29b-2ubuntu0.4+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.29b-2",
        "1.29b-2ubuntu0.1",
        "1.29b-2ubuntu0.2",
        "1.29b-2ubuntu0.3",
        "1.29b-2ubuntu0.4",
        "1.29b-2ubuntu0.4+esm1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.30+dfsg-7ubuntu0.20.04.4+esm1"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.30+dfsg-7ubuntu0.20.04.4+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.30+dfsg-7ubuntu0.20.04.4+esm1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.30+dfsg-7ubuntu0.20.04.4+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.30+dfsg-6",
        "1.30+dfsg-7",
        "1.30+dfsg-7ubuntu0.20.04.1",
        "1.30+dfsg-7ubuntu0.20.04.2",
        "1.30+dfsg-7ubuntu0.20.04.3",
        "1.30+dfsg-7ubuntu0.20.04.4"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.34+dfsg-1ubuntu0.1.22.04.3"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.34+dfsg-1ubuntu0.1.22.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.34+dfsg-1ubuntu0.1.22.04.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.34+dfsg-1ubuntu0.1.22.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.34+dfsg-1build1",
        "1.34+dfsg-1build2",
        "1.34+dfsg-1build3",
        "1.34+dfsg-1ubuntu0.1.22.04.1",
        "1.34+dfsg-1ubuntu0.1.22.04.2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.35+dfsg-3ubuntu0.1"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.35+dfsg-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.35+dfsg-3ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.35+dfsg-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.34+dfsg-1.2ubuntu1",
        "1.34+dfsg-1.2ubuntu2",
        "1.34+dfsg-1.3ubuntu1",
        "1.34+dfsg-1.4",
        "1.35+dfsg-2~build1",
        "1.35+dfsg-2",
        "1.35+dfsg-3",
        "1.35+dfsg-3build1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "tar",
            "binary_version": "1.35+dfsg-4ubuntu0.1"
          },
          {
            "binary_name": "tar-scripts",
            "binary_version": "1.35+dfsg-4ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "tar",
        "purl": "pkg:deb/ubuntu/tar@1.35+dfsg-4ubuntu0.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.35+dfsg-4ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.35+dfsg-3.1build1",
        "1.35+dfsg-3.1build2",
        "1.35+dfsg-4"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that tar incorrectly handled certain crafted archive files.\nAn attacker could possibly use this to inject hidden files with\nattacker-controlled content, bypassing pre-extraction inspection mechanisms.",
  "id": "USN-8477-1",
  "modified": "2026-07-16T22:26:10Z",
  "published": "2026-06-25T20:57:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8477-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-5704"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "tar vulnerability",
  "upstream": [
    "UBUNTU-CVE-2026-5704"
  ]
}



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Sightings

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