CVE-2021-3185

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

A flaw was found in the gstreamer h264 component of gst-plugins-bad before v1.18.1 where when parsing a h264 header, an attacker could cause the stack to be smashed, memory corruption and possibly code execution.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3185

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3185.html

OS impact

OSVersionStatusFixed in
arch archfixed1.18.0+54+gbd3532008-1
suse slesaffected
debian debianbookwormfixed1.18.1-1
debian debianbullseyefixed1.18.1-1
debian debianforkyfixed1.18.1-1
debian debiansidfixed1.18.1-1
debian debiantrixiefixed1.18.1-1

References

Verify integrity in audit chain (admin only). AS-IS.