{"id":"UBUNTU-CVE-2026-85150","details":"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 server has authentication enabled; the same flaw can also be triggered against an RTSP client by a malicious or compromised RTSP server. Successful exploitation results in a denial of service (application crash) and has no confirmed impact on confidentiality or integrity.","modified":"2026-09-22T03:22:32.389230502Z","published":"2026-09-03T13:06:00Z","upstream":["CVE-2026-85150"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-85150"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-85150"},{"type":"REPORT","url":"https://gstreamer.freedesktop.org/security/sa-2026-0082.html"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/120"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-85150"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspmessage.c#L1408"}],"affected":[{"package":{"name":"gst-plugins-base1.0","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0-1ubuntu1","1.6.1-1ubuntu1","1.6.2-1ubuntu1","1.7.1-1ubuntu1","1.7.2-1ubuntu1","1.7.90-1ubuntu1","1.7.91-1ubuntu1","1.8.0-1ubuntu1","1.8.1-1ubuntu0.1","1.8.2-1ubuntu0.1","1.8.2-1ubuntu0.2","1.8.3-1ubuntu0.1","1.8.3-1ubuntu0.2","1.8.3-1ubuntu0.3","1.8.3-1ubuntu0.3+esm1","1.8.3-1ubuntu0.3+esm2","1.8.3-1ubuntu0.3+esm3","1.8.3-1ubuntu0.3+esm4","1.8.3-1ubuntu0.3+esm5"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-gst-plugins-base-1.0","binary_version":"1.8.3-1ubuntu0.3+esm5"},{"binary_version":"1.8.3-1ubuntu0.3+esm5","binary_name":"gstreamer1.0-alsa"},{"binary_name":"gstreamer1.0-plugins-base","binary_version":"1.8.3-1ubuntu0.3+esm5"},{"binary_name":"gstreamer1.0-plugins-base-apps","binary_version":"1.8.3-1ubuntu0.3+esm5"},{"binary_name":"gstreamer1.0-x","binary_version":"1.8.3-1ubuntu0.3+esm5"},{"binary_name":"libgstreamer-plugins-base1.0-0","binary_version":"1.8.3-1ubuntu0.3+esm5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-85150.json"}},{"package":{"name":"gst-plugins-base1.0","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.3-1","1.12.4-1","1.13.1-1ubuntu1","1.13.91-1ubuntu1","1.14.0-1ubuntu1","1.14.0-2ubuntu1","1.14.1-1ubuntu1~ubuntu18.04.1","1.14.1-1ubuntu1~ubuntu18.04.2","1.14.4-1ubuntu1.1~ubuntu18.04.1","1.14.5-0ubuntu1~18.04.1","1.14.5-0ubuntu1~18.04.2","1.14.5-0ubuntu1~18.04.3","1.14.5-0ubuntu1~18.04.3+esm1","1.14.5-0ubuntu1~18.04.3+esm2","1.14.5-0ubuntu1~18.04.3+esm3","1.14.5-0ubuntu1~18.04.3+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.14.5-0ubuntu1~18.04.3+esm4","binary_name":"gir1.2-gst-plugins-base-1.0"},{"binary_name":"gstreamer1.0-alsa","binary_version":"1.14.5-0ubuntu1~18.04.3+esm4"},{"binary_version":"1.14.5-0ubuntu1~18.04.3+esm4","binary_name":"gstreamer1.0-gl"},{"binary_name":"gstreamer1.0-plugins-base","binary_version":"1.14.5-0ubuntu1~18.04.3+esm4"},{"binary_name":"gstreamer1.0-plugins-base-apps","binary_version":"1.14.5-0ubuntu1~18.04.3+esm4"},{"binary_name":"gstreamer1.0-x","binary_version":"1.14.5-0ubuntu1~18.04.3+esm4"},{"binary_name":"libgstreamer-gl1.0-0","binary_version":"1.14.5-0ubuntu1~18.04.3+esm4"},{"binary_name":"libgstreamer-plugins-base1.0-0","binary_version":"1.14.5-0ubuntu1~18.04.3+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-85150.json"}},{"package":{"name":"gst-plugins-base1.0","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-base1.0?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.1-1","1.16.2-1","1.16.2-2","1.16.2-2ubuntu3","1.16.2-2ubuntu4","1.16.2-4","1.16.2-4ubuntu0.1","1.16.3-0ubuntu1","1.16.3-0ubuntu1.1","1.16.3-0ubuntu1.2","1.16.3-0ubuntu1.3","1.16.3-0ubuntu1.4","1.16.3-0ubuntu1.4+esm1","1.16.3-0ubuntu1.4+esm2","1.16.3-0ubuntu1.4+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-gst-plugins-base-1.0","binary_version":"1.16.3-0ubuntu1.4+esm3"},{"binary_version":"1.16.3-0ubuntu1.4+esm3","binary_name":"gstreamer1.0-alsa"},{"binary_name":"gstreamer1.0-gl","binary_version":"1.16.3-0ubuntu1.4+esm3"},{"binary_name":"gstreamer1.0-plugins-base","binary_version":"1.16.3-0ubuntu1.4+esm3"},{"binary_name":"gstreamer1.0-plugins-base-apps","binary_version":"1.16.3-0ubuntu1.4+esm3"},{"binary_name":"gstreamer1.0-x","binary_version":"1.16.3-0ubuntu1.4+esm3"},{"binary_version":"1.16.3-0ubuntu1.4+esm3","binary_name":"libgstreamer-gl1.0-0"},{"binary_version":"1.16.3-0ubuntu1.4+esm3","binary_name":"libgstreamer-plugins-base1.0-0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-85150.json"}},{"package":{"name":"gst-plugins-base1.0","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-base1.0?arch=source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