[USN-8044-1] alsa-lib vulnerability

[noreply+usn-bot at canonical.com]

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Ubuntu Security Notice USN-8044-1
February 16, 2026

alsa-lib vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 25.10
  libasound2t64                   1.2.14-1ubuntu1.1

Ubuntu 24.04 LTS
  libasound2t64                   1.2.11-1ubuntu0.2

Ubuntu 22.04 LTS
  libasound2                      1.2.6.1-1ubuntu1.1

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

References:
  https://ubuntu.com/security/notices/USN-8044-1
  CVE-2026-25068

Package Information:
  https://launchpad.net/ubuntu/+source/alsa-lib/1.2.14-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/alsa-lib/1.2.11-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/alsa-lib/1.2.6.1-1ubuntu1.1
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