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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 10.2 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gst-plugins-bad1.0 | 1.28.2-1 | — |
| Debian 13 | gst-plugins-bad1.0 | No fix yet | — |
| Debian 12 | gst-plugins-bad1.0 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | gstreamer1-plugins-bad-free +2 | 1.26.7-9.el10_3.1 | RHSA-2026:98621 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.2 EUS | gstreamer1-plugins-bad-free +2 | 1.26.7-2.el10_2.8 | RHSA-2026:99118 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | gstreamer1-plugins-bad-free +2 | 1.26.7-9.el10_3.1 | RLSA-2026:98621 |
Advisories 4
- RHSA-2026:99118 Red Hat Security Advisory: gstreamer1-plugins-bad-free security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:98621 Red Hat Security Advisory: gstreamer1-plugins-bad-free security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RLSA-2026:98621 Important: gstreamer1-plugins-bad-free security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-4542 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
References
- RHSA-2026:98621 vendor-advisory
- RHSA-2026:99118 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-119777 vdb-entry
- RHBZ#2564164 issue-tracking
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/11241