SB2026021767 - Ubuntu update for alsa-lib



SB2026021767 - Ubuntu update for alsa-lib

Published: February 17, 2026

Security Bulletin ID SB2026021767
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2026-25068)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error within the tplg_decode_control_mixer1() function in src/topology/ctl.c. A remote attacker can pass specially crafted .tplg data to the application, trigger a heap-based buffer overflow and perform a denial of service attack.


Remediation

Install update from vendor's website.