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Ubuntu 20.04 alsa-lib Critical DoS Risk Arbitrary Code Exec USN-8044-2

ubuntu
Calendar Grey June 9, 2026
Dist Ubuntu Esm H88
Security Notice for Ubuntu 20.04 LTS addresses alsa-lib vulnerability to prevent denial of service and code execution issues.
alsa-lib could be made to crash or run programs if it opened a specially crafted file.

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:

USN-8044-1 fixed a vulnerability in alsa-lib. This update provides the

corresponding fix for alsa-lib on Ubuntu 20.04 LTS.

Original advisory 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.

Topics%20covered

Topics Covered

security advisory denial of service critical arbitrary code execution Ubuntu alsa-lib

Update Instructions

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

Ubuntu 20.04 LTS
  libasound2                      1.2.2-2.1ubuntu2.5+esm1
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-8044-2

https://ubuntu.com/security/notices/USN-8044-1

CVE-2026-25068

Severity
critical
Lowest
Low
Medium
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Critical

Ubuntu Security Notice USN-8044-2

Topics%20covered

Topics Covered

security advisory denial of service critical arbitrary code execution Ubuntu alsa-lib

Package Information

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