NULL pointer dereference in gst-plugins-bad and gstreamer - #VU141093
Published: August 6, 2026
Vulnerability identifier: #VU141093
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a null pointer dereference in the h.264 video parser when parsing a specially crafted h.264 video file. A remote attacker can supply a specially crafted h.264 video file to cause a denial of service.
This occurs when parsing fails partway through during cleanup of allocated structures while freeing partially parsed SPS and MVC data.
Affected software
gst-plugins-bad
gstreamer
gstreamer
Remediation
Install security update from vendor's website.
gst-plugins-bad - update to 1.28.2
gstreamer - update to 1.28.2
gstreamer - update to 1.28.2