NULL pointer dereference in gst-plugins-base and gstreamer - CVE-2026-85150
Published: September 8, 2026
Vulnerability identifier: #VU147412
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85150
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 RTSP message parser of gst-plugins-base when parsing authentication credentials in a crafted RTSP Authorization header. A remote attacker can send a specially crafted Authorization header to an RTSP server or an application using the RTSP message parser to cause a denial of service.
Affected software
gst-plugins-base
gstreamer
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
gstreamer1-plugins-base (Red Hat package)
gstreamer
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
gstreamer1-plugins-base (Red Hat package)
How to mitigate CVE-2026-85150
Install security update from vendor's website.
gst-plugins-base - update to 1.28.7
gstreamer - update to 1.28.7
gstreamer1-plugins-base (Red Hat package) - update to 1.26.7-2.el10_2.2
gstreamer - update to 1.28.7
gstreamer1-plugins-base (Red Hat package) - update to 1.26.7-2.el10_2.2