Main Vulnerability Database Vulnerabilities #VU141150

Heap-based buffer overflow in gst-libav and gstreamer - #VU141150

Published: August 6, 2026

Vulnerability identifier: #VU141150

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to a heap-based buffer overflow in the FFmpeg demuxer wrapper when parsing a crafted media file containing more than 20 streams. A remote attacker can provide a specially crafted media file to execute arbitrary code.

This may also result in data corruption or cause a denial of service.

Affected software

gst-libav
gstreamer

Remediation

Install security update from vendor's website.

gst-libav - update to 1.28.6
gstreamer - update to 1.28.6

External References

Related Security Bulletins