A NULL pointer dereference flaw was found in GStreamer's RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Spec
A NULL pointer dereference flaw was found in GStreamer's RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter's terminator can cause an internal length calculation to underflow, leading to a crash of the process parsing the header. On an RTSP server this can be triggered by a remote, unauthenticated attacker sending a single malformed request when the se
Affected packages
- gst-plugins-base1.0
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://www.cve.org/CVERecord?id=CVE-2026-85150
- https://bugzilla.redhat.com/show_bug.cgi?id=2527936
- https://gstreamer.freedesktop.org/security/sa-2026-0082.html
- https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/120
- https://access.redhat.com/security/cve/CVE-2026-85150
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspmessage.c#L1408
Structured record: https://ubuntu.com/security/CVE-2026-85150
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