GHSA-QWFW-GGXW-577C ex_webrtc client-role handshake is missing DTLS peer fingerprint validation

Summary Missing DTLS peer certificate fingerprint validation in the DTLS client active role removes one side of WebRTC's mutual authentication. The bug is not independently exploitable for media interception in standard deployments, but enables a full man-in-the-middle attack when chained with...