NULL pointer dereference in gst-plugins-base and gstreamer - CVE-2026-85150

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Main Vulnerability Database Vulnerabilities #VU147412

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
openEuler
Fedora
gstreamer1-plugins-base-help
gstreamer1-plugins-base-devel
gstreamer1-plugins-base-debugsource
gstreamer1-plugins-base-debuginfo
gstreamer1-plugins-base
gstreamer1-plugins-base (Red Hat package)
mingw-gstreamer1-plugins-good
mingw-gstreamer1-plugins-base
mingw-gstreamer1-plugins-bad-free
mingw-gstreamer1

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-help - addressed in versions 1.16.2-12, 1.18.4-13, 1.22.5-7
gstreamer1-plugins-base-devel - addressed in versions 1.16.2-12, 1.18.4-13, 1.22.5-7
gstreamer1-plugins-base-debugsource - addressed in versions 1.16.2-12, 1.18.4-13, 1.22.5-7
gstreamer1-plugins-base-debuginfo - addressed in versions 1.16.2-12, 1.18.4-13, 1.22.5-7
gstreamer1-plugins-base - addressed in versions 1.16.2-12, 1.18.4-13, 1.22.5-7
gstreamer1-plugins-base (Red Hat package) - update to 1.26.7-2.el10_2.2
mingw-gstreamer1-plugins-good - addressed in versions 1.28.7-1.fc44, 1.28.7-1.fc45
mingw-gstreamer1-plugins-base - addressed in versions 1.28.7-1.fc44, 1.28.7-1.fc45
mingw-gstreamer1-plugins-bad-free - addressed in versions 1.28.7-1.fc44, 1.28.7-1.fc45
mingw-gstreamer1 - addressed in versions 1.28.7-1.fc44, 1.28.7-1.fc45

External References

Related Security Bulletins