{"id":"UBUNTU-CVE-2026-14935","details":"A logic vulnerability was found in GStreamer's webrtcbin component. The _check_sdp_crypto() function contains an inverted boolean condition that causes it to accept remote SDP offers or answers that lack the required a=fingerprint attribute, while incorrectly rejecting those that include it. An attacker with the ability to intercept and modify WebRTC signaling messages could exploit this to bypass the SDP-level DTLS certificate fingerprint binding, weakening defenses against man-in-the-middle attacks on media streams.","modified":"2026-07-09T17:15:29.438551811Z","published":"2026-07-07T16:16:00Z","upstream":["CVE-2026-14935"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-14935"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-14935"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497679"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5171"}],"affected":[{"package":{"name":"gst-plugins-bad1.0","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-bad1.0?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0-3ubuntu5","1.2.1-1ubuntu1","1.2.1-1ubuntu2","1.2.2-1ubuntu1","1.2.2-1ubuntu2","1.2.2-1ubuntu4","1.2.3-1ubuntu1","1.2.3-1ubuntu2","1.2.4-1~ubuntu1","1.2.4-1~ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"gstreamer1.0-hybris","binary_version":"1.2.4-1~ubuntu1.1"},{"binary_version":"1.2.4-1~ubuntu1.1","binary_name":"gstreamer1.0-plugins-bad"},{"binary_version":"1.2.4-1~ubuntu1.1","binary_name":"gstreamer1.0-plugins-bad-faad"},{"binary_version":"1.2.4-1~ubuntu1.1","binary_name":"gstreamer1.0-plugins-bad-videoparsers"},{"binary_name":"libgstreamer-plugins-bad1.0-0","binary_version":"1.2.4-1~ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-14935.json"}},{"package":{"name":"gst-plugins-bad1.0","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-bad1.0?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0-1ubuntu1","1.6.1-1ubuntu1","1.6.2-1ubuntu1","1.7.1-1ubuntu1","1.7.1-1ubuntu3","1.7.1-1ubuntu4","1.7.2-1ubuntu1","1.7.90-1ubuntu2","1.7.91-1ubuntu1","1.8.0-1ubuntu1","1.8.1-1ubuntu0.1","1.8.2-1ubuntu0.1","1.8.2-1ubuntu0.2","1.8.3-1ubuntu0.2","1.8.3-1ubuntu0.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-gst-plugins-bad-1.0","binary_version":"1.8.3-1ubuntu0.2+esm1"},{"binary_name":"gstreamer1.0-hybris","binary_version":"1.8.3-1ubuntu0.2+esm1"},{"binary_version":"1.8.3-1ubuntu0.2+esm1","binary_name":"gstreamer1.0-plugins-bad"},{"binary_version":"1.8.3-1ubuntu0.2+esm1","binary_name":"gstreamer1.0-plugins-bad-faad"},{"binary_version":"1.8.3-1ubuntu0.2+esm1","binary_name":"gstreamer1.0-plugins-bad-videoparsers"},{"binary_name":"libgstreamer-plugins-bad1.0-0","binary_version":"1.8.3-1ubuntu0.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-14935.json"}},{"package":{"name":"gst-plugins-bad1.0","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-bad1.0?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.3-1ubuntu1","1.12.3-1ubuntu2","1.12.3-2ubuntu1","1.12.4-2ubuntu1","1.12.4-2ubuntu2","1.13.1-1ubuntu1","1.13.91-1ubuntu1","1.14.0-1ubuntu1","1.14.1-1ubuntu1~ubuntu18.04.1","1.14.4-1ubuntu1~ubuntu18.04.1","1.14.5-0ubuntu1~18.04.1","1.14.5-0ubuntu1~18.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.14.5-0ubuntu1~18.04.1+esm1","binary_name":"gir1.2-gst-plugins-bad-1.0"},{"binary_name":"gstreamer1.0-opencv","binary_version":"1.14.5-0ubuntu1~18.04.1+esm1"},{"binary_name":"gstreamer1.0-plugins-bad","binary_version":"1.14.5-0ubuntu1~18.04.1+esm1"},{"binary_version":"1.14.5-0ubuntu1~18.04.1+esm1","binary_name":"libgstreamer-opencv1.0-0"},{"binary_version":"1.14.5-0ubuntu1~18.04.1+esm1","binary_name":"libgstreamer-plugins-bad1.0-0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-14935.json"}},{"package":{"name":"gst-plugins-bad1.0","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-bad1.0?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.1-1ubuntu1","1.16.1-1ubuntu3","1.16.1-1ubuntu4","1.16.1-1ubuntu5","1.16.1-1ubuntu6","1.16.1-1ubuntu8","1.16.2-1ubuntu1","1.16.2-1ubuntu2","1.16.2-2ubuntu1","1.16.2-2.1ubuntu1","1.16.3-0ubuntu1","1.16.3-0ubuntu1.1","1.16.3-0ubuntu1.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-gst-plugins-bad-1.0","binary_version":"1.16.3-0ubuntu1.1+esm1"},{"binary_name":"gstreamer1.0-opencv","binary_version":"1.16.3-0ubuntu1.1+esm1"},{"binary_name":"gstreamer1.0-plugins-bad","binary_version":"1.16.3-0ubuntu1.1+esm1"},{"binary_version":"1.16.3-0ubuntu1.1+esm1","binary_name":"libgstreamer-opencv1.0-0"},{"binary_version":"1.16.3-0ubuntu1.1+esm1","binary_name":"libgstreamer-plugins-bad1.0-0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-14935.json"}},{"package":{"name":"gst-plugins-bad1.0","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/gst-plugins-bad1.0?arch=source&distro=esm-apps%2Fjammy"},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