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DEBIAN-CVE-2025-6966

Type: advisorySource: OSV1 source record

NULL pointer dereference in TagSection.keys() in python-apt on APT-based Linux systems allows a local attacker to cause a denial of service (process crash) via a crafted deb822 file with a malformed non-UTF-8 key.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2025-6966

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2025-6966

python-apt

Source reference: /affected/0/package/name

Affected versions
2.6.0

Source reference: /affected/0/versions

2.7.0

Source reference: /affected/0/versions

2.7.1

Source reference: /affected/0/versions

2.7.2

Source reference: /affected/0/versions

2.7.3

Source reference: /affected/0/versions

2.7.4

Source reference: /affected/0/versions

2.7.5

Source reference: /affected/0/versions

2.7.6

Source reference: /affected/0/versions

2.7.7

Source reference: /affected/0/versions

2.8.0

Source reference: /affected/0/versions

2.9.0

Source reference: /affected/0/versions

2.9.1

Source reference: /affected/0/versions

2.9.2

Source reference: /affected/0/versions

2.9.3

Source reference: /affected/0/versions

2.9.4

Source reference: /affected/0/versions

2.9.5

Source reference: /affected/0/versions

2.9.6

Source reference: /affected/0/versions

2.9.7

Source reference: /affected/0/versions

2.9.8

Source reference: /affected/0/versions

2.9.9

Source reference: /affected/0/versions

3.0.0

Source reference: /affected/0/versions

3.1.0

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

python-apt

Source reference: /affected/1/package/name

Affected versions
3.0.0

Source reference: /affected/1/versions

3.1.0

Source reference: /affected/1/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

python-apt

Source reference: /affected/2/package/name

Affected versions
3.0.0

Source reference: /affected/2/versions

Fixed versions
3.1.0

Source reference: /affected/2/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "python-apt",
      "purl": "pkg:deb/debian/python-apt?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "2.6.0",
      "2.7.0",
      "2.7.1",
      "2.7.2",
      "2.7.3",
      "2.7.4",
      "2.7.5",
      "2.7.6",
      "2.7.7",
      "2.8.0",
      "2.9.0",
      "2.9.1",
      "2.9.2",
      "2.9.3",
      "2.9.4",
      "2.9.5",
      "2.9.6",
      "2.9.7",
      "2.9.8",
      "2.9.9",
      "3.0.0",
      "3.1.0"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-6966.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "python-apt",
      "purl": "pkg:deb/debian/python-apt?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "3.0.0",
      "3.1.0"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-6966.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.1.0"
          }
        ]
      }
    ],
    "package": {
      "name": "python-apt",
      "purl": "pkg:deb/debian/python-apt?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "3.0.0"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-6966.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#18737 · Revision 1
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Publisher date
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