CVE-2026-119777

HIGH CVSS 3.1: 7.8 EPSS 0.19%
Updated Oct 30, 2026
Red Hat
Parameter Value
CVSS 7.8 (HIGH)
Type CWE-787 (Out-of-bounds Write)
Vendor Red Hat
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

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