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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

There is no complete mitigation for this vulnerability. As a risk-reduction measure, disable H.266/VVC media ingestion in GStreamer-based applications and media pipelines where that feature is not required. Until a fixed package is available, do not open or transcode H.266/VVC files or streams from untrusted sources.

History

Fri, 30 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
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.
Title Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: stack buffer overflow in h.266/vvc parser
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-787
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-30T19:20:39.082Z

Reserved: 2026-10-30T16:19:44.205Z

Link: CVE-2026-119777

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-30T18:17:27.427

Modified: 2026-10-30T18:17:27.540

Link: CVE-2026-119777

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses