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Ubuntu 20.04 LTS: python-apt Important Denial of Service Fix USN-7916

Ubuntu 20.04 LTS: python-apt Important Denial of Service Fix USN-7916

Linuxsecurity •LinuxSecurity Advisories • January 16, 2026

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: USN-7916-1 introduced a regression in python-apt Software Description: - python-apt: Python interface to libapt-pkg 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.

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: USN-7916-1 introduced a regression in python-apt Software Description: - python-apt: Python interface to libapt-pkg 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.

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS python-apt 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python-apt-common 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python-apt-dev 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python-apt-doc 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python3-apt 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS python-apt 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python-apt-common 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python-apt-dev 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python-apt-doc 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro python3-apt 2.0.1ubuntu0.20.04.2esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

CVE-2025-6966,

CVE-2025-6966,

Extracted Entities

Attack Types (1)

Companies (1)

CVEs (1)