High severity7.8NVD Advisory· Published Oct 30, 2026· Updated Oct 30, 2026

CVE-2026-119777

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.

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-119777nvd
bugzilla.redhat.com/show_bug.cginvd
gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/11241nvd

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