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Debian dla-4408 : python-apt-common - security update

medium Nessus Plugin ID 278731

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4408 advisory.

 - ----------------------------------------------------------------------- Debian LTS Advisory DLA-4408-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta December 16, 2025 https://wiki.debian.org/LTS
 - -----------------------------------------------------------------------

 Package : python-apt Version : 2.2.1.1 CVE ID : CVE-2025-6966 Debian Bug : 1122291

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

 For Debian 11 bullseye, this problem has been fixed in version 2.2.1.1.

 We recommend that you upgrade your python-apt packages.

 For the detailed security status of python-apt please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/python-apt

 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the python-apt-common packages.

See Also

https://security-tracker.debian.org/tracker/source-package/python-apt

https://security-tracker.debian.org/tracker/CVE-2025-6966

https://packages.debian.org/source/bullseye/python-apt

Plugin Details

Severity: Medium

ID: 278731

File Name: debian_DLA-4408.nasl

Version: 1.2

Type: local

Agent: unix

Published: 12/15/2025

Updated: 2/24/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2025-6966

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: 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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:python-apt-doc, p-cpe:/a:debian:debian_linux:python-apt-dev, p-cpe:/a:debian:debian_linux:python3-apt, p-cpe:/a:debian:debian_linux:python-apt-common, p-cpe:/a:debian:debian_linux:python3-apt-dbg

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/16/2025

Vulnerability Publication Date: 12/5/2025

Reference Information

CVE: CVE-2025-6966