Integer overflow in gst-plugins-bad and gstreamer - #VU141091
Published: August 6, 2026
Vulnerability identifier: #VU141091
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-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code or cause a denial of service.
The vulnerability exists due to integer overflow in the H.266/VVC parser when parsing malformed H.266 streams. A remote attacker can trick the victim into opening a crafted H.266 media file to execute arbitrary code or cause a denial of service.
The overflow occurs during parsing of profile, tier, and level fields and can lead to a stack-based buffer overflow.
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