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Debian 11: python-apt Critical DoS Flaw Fixed DLA-4408-1 CVE-2025-6966

debian lts
Calendar Grey December 16, 2025
Dist Debian Esm H88
The python-apt package in Debian 11 has a critical denial of service issue fixed in advisory DLA-4408-1. Upgrade recommended.
Julian Andres Klode discovered that python-apt, a Python interface to libapt-pkg, incorrectly handled deb822 configuration files
Topics%20covered

Topics Covered

security advisory denial of service critical debian python-apt dla-4408-1

Summary

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/source-package/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


Severity
critical
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory denial of service critical debian python-apt dla-4408-1

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