USN-8044-1: alsa-lib vulnerability

Publication date

16 February 2026

Overview

alsa-lib could be made to crash or run programs if it opened a specially crafted file.


Packages

  • alsa-lib - shared library for ALSA applications

Details

It was discovered that alsa-lib incorrectly handled the topology mixer
control decoder. A local attacker could use a specially crafted topology
file to cause alsa-lib to crash, resulting in a denial of service, or
possibly execute arbitrary code.

It was discovered that alsa-lib incorrectly handled the topology mixer
control decoder. A local attacker could use a specially crafted topology
file to cause alsa-lib to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
25.10 questing libasound2t64 –  1.2.14-1ubuntu1.1
24.04 LTS noble libasound2t64 –  1.2.11-1ubuntu0.2
22.04 LTS jammy libasound2 –  1.2.6.1-1ubuntu1.1

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