#VU122992 Heap-based buffer overflow in alsa-lib - CVE-2026-25068
Published: February 17, 2026
Vulnerability identifier: #VU122992
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-25068
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
alsa-lib
alsa-lib
Software vendor:
Advanced Linux Sound Architecture (ALSA)
Advanced Linux Sound Architecture (ALSA)
Description
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 updates from vendor's website.