Bug 2447493 (CVE-2026-3086) - CVE-2026-3086 GStreamer: GStreamer: Remote Code Execution via Out-Of-Bounds Write in H.266 Codec Parser
Summary: CVE-2026-3086 GStreamer: GStreamer: Remote Code Execution via Out-Of-Bounds W...
Keywords:
Status: NEW
Alias: CVE-2026-3086
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2448010 2448032 2448004 2448008 2448037
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-13 21:02 UTC by OSIDB Bzimport
Modified: 2026-03-16 14:26 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-03-13 21:02:18 UTC 
GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the processing of APS units. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28911.
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