# CVE-2026-119777: gst-plugins-bad1.0: A flaw was found in GStreamer's gst-plugins-bad H.266/VVC parser

CVE-2026-119777 is fixed in gst-plugins-bad1.0 on 1 platform by DEBIAN-CVE-2026-119777 (version 1.28.2-1), released October 31, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-119777
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0054
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 30, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gst-plugins-bad1.0 Debian 14 | 1.28.2-1 | [DEBIAN-CVE-2026-119777](https://patchblox.com/security/data/fix/linux/debian-cve-2026-119777.md) | Oct 31, 2026 |

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Data as of 2026-11-10T01:44:33Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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