Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package alsa-lib.src (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-ALSALIBSRC-15147823
- published30 Jan 2026
- disclosed29 Jan 2026
Introduced: 29 Jan 2026
CVE-2026-25068 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream alsa-lib.src package and not the alsa-lib.src package as distributed by RHEL.
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.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2435372
- https://access.redhat.com/security/cve/CVE-2026-25068
- https://access.redhat.com/errata/RHSA-2026:7401
- https://github.com/alsa-project/alsa-lib/commit/5f7fe33002d2d98d84f72e381ec2cccc0d5d3d40
- https://www.vulncheck.com/advisories/alsa-lib-topology-decoder-heap-based-buffer-overflow
- https://lists.debian.org/debian-lts-announce/2026/02/msg00008.html