8.8 High

CVE-2026-119777 Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: stack buffer overflow in h.266/vvc parser

Description

A flaw was found in GStreamer's gst-plugins-bad H.266/VVC parser. When processing a malformed H.266 media file or stream, an integer overflow while parsing profile, tier, and level fields can lead to a stack-based buffer overflow. An attacker could cause an application to crash and may be able to execute code in the context of the affected application.

CVSS 3.1 detail

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitable remotely over the network, without an account and if a user takes an action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector: Network
Attack complexity: Low
Privileges required: None
Interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Affected products and versions

Product	Affected versions	Fixed in
Red Hat Enterprise Linux 10	Versions not published
Red Hat Enterprise Linux 7	Versions not published
Red Hat Enterprise Linux 8	Versions not published
Red Hat Enterprise Linux 9	Versions not published
gst-plugins-bad 1.28	earliest → < 1.28.2	1.28.2
gst-plugins-bad 1.25	1.25.1 → < 1.28.2	1.28.2

References

access.redhat.com access.redhat.com
RHBZ#2564164 bugzilla.redhat.com
gitlab.freedesktop.org gitlab.freedesktop.org

Timeline

Published October 30, 2026
Last modified November 4, 2026

The 1454 CVEs of Red Hat Enterprise Linux 10 →

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