vuln-ubuntu/data/osv/usn/USN-4668-3.json

{
  "schema_version": "1.7.0",
  "id": "USN-4668-3",
  "summary": "python-apt regression",
  "details": "USN-4668-1 fixed vulnerabilities in python-apt. The update caused a\nregression when using certain APIs with a file handle. This update fixes\nthe problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Kevin Backhouse discovered that python-apt incorrectly handled resources. A\n local attacker could possibly use this issue to cause python-apt to consume\n resources, leading to a denial of service.\n",
  "aliases": [],
  "upstream": [],
  "related": [],
  "published": "2021-01-04T13:52:32Z",
  "modified": "2026-04-22T07:36:58Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "python-apt",
        "purl": "pkg:deb/ubuntu/python-apt@1.1.0~beta1ubuntu0.16.04.11?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.0~beta1ubuntu0.16.04.11"
            }
          ]
        }
      ],
      "versions": [
        "1.0.1build1",
        "1.0.1ubuntu2",
        "1.1.0~beta1",
        "1.1.0~beta1build1",
        "1.1.0~beta1ubuntu0.16.04.1",
        "1.1.0~beta1ubuntu0.16.04.2",
        "1.1.0~beta1ubuntu0.16.04.4",
        "1.1.0~beta1ubuntu0.16.04.5",
        "1.1.0~beta1ubuntu0.16.04.7",
        "1.1.0~beta1ubuntu0.16.04.8",
        "1.1.0~beta1ubuntu0.16.04.9",
        "1.1.0~beta1ubuntu0.16.04.10"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-apt",
            "binary_version": "1.1.0~beta1ubuntu0.16.04.11"
          },
          {
            "binary_name": "python-apt-common",
            "binary_version": "1.1.0~beta1ubuntu0.16.04.11"
          },
          {
            "binary_name": "python3-apt",
            "binary_version": "1.1.0~beta1ubuntu0.16.04.11"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": []
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-apt",
        "purl": "pkg:deb/ubuntu/python-apt@1.6.5ubuntu0.5?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.5ubuntu0.5"
            }
          ]
        }
      ],
      "versions": [
        "1.4.0~beta3build2",
        "1.4.0~beta3ubuntu1",
        "1.6.0~rc2ubuntu1",
        "1.6.0~rc2ubuntu2",
        "1.6.0",
        "1.6.1",
        "1.6.2",
        "1.6.3",
        "1.6.3ubuntu1",
        "1.6.4",
        "1.6.5ubuntu0.1",
        "1.6.5ubuntu0.2",
        "1.6.5ubuntu0.3",
        "1.6.5ubuntu0.4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-apt",
            "binary_version": "1.6.5ubuntu0.5"
          },
          {
            "binary_name": "python-apt-common",
            "binary_version": "1.6.5ubuntu0.5"
          },
          {
            "binary_name": "python3-apt",
            "binary_version": "1.6.5ubuntu0.5"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": []
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "python-apt",
        "purl": "pkg:deb/ubuntu/python-apt@2.0.0ubuntu0.20.04.3?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0ubuntu0.20.04.3"
            }
          ]
        }
      ],
      "versions": [
        "1.9.0ubuntu1",
        "1.9.0ubuntu3",
        "1.9.0ubuntu5",
        "1.9.3ubuntu2",
        "1.9.5",
        "1.9.5build1",
        "1.9.7",
        "1.9.8",
        "1.9.10",
        "2.0.0",
        "2.0.0ubuntu0.20.04.1",
        "2.0.0ubuntu0.20.04.2"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-apt",
            "binary_version": "2.0.0ubuntu0.20.04.3"
          },
          {
            "binary_name": "python-apt-common",
            "binary_version": "2.0.0ubuntu0.20.04.3"
          },
          {
            "binary_name": "python3-apt",
            "binary_version": "2.0.0ubuntu0.20.04.3"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": []
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4668-3"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/1907676"
    }
  ]
}