USN-7916-2 (UBUNTU-CVE-2025-6966)

Vulnerability from osv_ubuntu – Published: 2026-01-15 10:14 – Updated: 2026-04-22 07:37 – Source website
VLAI
Summary
python-apt regression
Details

USN-7916-1 fixed a vulnerability in python-apt. The update had a PEP 440 incompatible version. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Julian Andres Klode discovered that python-apt incorrectly handled deb822 configuration files. An attacker could use this issue to cause python-apt to crash, resulting in a denial of service.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-6966",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "python-apt",
            "binary_version": "2.0.1ubuntu0.20.04.2esm2"
          },
          {
            "binary_name": "python-apt-common",
            "binary_version": "2.0.1ubuntu0.20.04.2esm2"
          },
          {
            "binary_name": "python3-apt",
            "binary_version": "2.0.1ubuntu0.20.04.2esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "python-apt",
        "purl": "pkg:deb/ubuntu/python-apt@2.0.1ubuntu0.20.04.2esm2?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.1ubuntu0.20.04.2esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "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",
        "2.0.0ubuntu0.20.04.3",
        "2.0.0ubuntu0.20.04.4",
        "2.0.0ubuntu0.20.04.5",
        "2.0.0ubuntu0.20.04.6",
        "2.0.0ubuntu0.20.04.7",
        "2.0.0ubuntu0.20.04.8",
        "2.0.1",
        "2.0.1ubuntu0.20.04.1",
        "2.0.1ubuntu0.20.04.1+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-7916-1 fixed a vulnerability in python-apt. The update had a\nPEP 440 incompatible version. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Julian Andres Klode discovered that python-apt incorrectly handled\n deb822 configuration files. An attacker could use this issue to cause\n python-apt to crash, resulting in a denial of service.",
  "id": "USN-7916-2",
  "modified": "2026-04-22T07:37:26Z",
  "published": "2026-01-15T10:14:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7916-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-6966"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.launchpad.net/bugs/2137070"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "python-apt regression",
  "upstream": [
    "UBUNTU-CVE-2025-6966"
  ]
}



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