CVE-2026-96675

EUVD-2026-85347
alsa-lib through 1.2.16.1 contains a denial of service vulnerability in the multi PCM plugin that fails to validate sparse binding indices before array access. Attackers can supply a malicious ALSA configuration file with sparse bindings to trigger an out-of-bounds array read and assertion failure, causing the application to abort.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1.32%
Debian logo
Debian Releases
Debian Product
Codename
alsa-lib
bookworm
postponed
forky
vulnerable
sid
vulnerable
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
alsa-lib
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
stonking
needs-triage
trusty
needs-triage
xenial
needs-triage
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
alsa-lib
Amazon Linux 2
0:1.1.4.1-2.amzn2.0.2
fixed
alsa-lib-debuginfo
Amazon Linux 2
0:1.1.4.1-2.amzn2.0.2
fixed
alsa-lib-devel
Amazon Linux 2
0:1.1.4.1-2.amzn2.0.2
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
alsa-lib
Azure Linux 3.0
0:1.2.16.1-3.azl3
fixed
Common Weakness Enumeration
References
https://github.com/alsa-project/alsa-lib
https://github.com/alsa-project/alsa-lib/blob/v1.2.16.1/src/pcm/pcm_multi.c#L1122-L1131
https://github.com/alsa-project/alsa-lib/pull/527
https://www.vulncheck.com/advisories/alsa-lib-through-1.2.16.1-denial-of-service-via-pcm-multi