Out-of-bounds Write Affecting alsa-lib package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-CENTOS7-ALSALIB-15157699
  • published30 Jan 2026
  • disclosed29 Jan 2026

Introduced: 29 Jan 2026

CVE-2026-25068  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 alsa-lib.

NVD Description

Note: Versions mentioned in the description apply only to the upstream alsa-lib package and not the alsa-lib package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

alsa-lib versions 1.2.2 up to and including 1.2.15.2, prior to commit 5f7fe33, contain a heap-based buffer overflow in the topology mixer control decoder. The tplg_decode_control_mixer1() function reads the num_channels field from untrusted .tplg data and uses it as a loop bound without validating it against the fixed-size channel array (SND_TPLG_MAX_CHAN). A crafted topology file with an excessive num_channels value can cause out-of-bounds heap writes, leading to a crash.

CVSS Base Scores

version 3.1