CVE-2026-123612

rustls 0.23.44 and 0.23.45 contain an information disclosure vulnerability that sends application data buffered before the handshake completes to the client-facing server when Encrypted Client Hello is rejected. Because starttraffic queues plaintext from ClientConnection::writer before sending th...

EUVD-2026-119371

rustls 0.23.44 and 0.23.45 contain an information disclosure vulnerability that sends application data buffered before the handshake completes to the client-facing server when Encrypted Client Hello is rejected. Because starttraffic queues plaintext from ClientConnection::writer before sending th...

CVE-2026-123612

The rustls library versions 0.23.44 and 0.23.45 are vulnerable to an information disclosure vulnerability during an Encrypted Client Hello (ECH) rejection. The root cause is that the start_traffic() function queues plaintext data from ClientConnection::writer() before the ech_required alert is se...

CVE-2026-123612 rustls 0.23.44 and 0.23.45 ECH Rejection Application Data Disclosure

rustls 0.23.44 and 0.23.45 contain an information disclosure vulnerability that sends application data buffered before the handshake completes to the client-facing server when Encrypted Client Hello is rejected. Because starttraffic queues plaintext from ClientConnection::writer before sending th...

CVE-2026-123612: rustls: rustls 0.23.44 and 0.23.45 contain an information disclosure vulnerability that sends application data buffered before…

rustls 0.23.44 and 0.23.45 contain an information disclosure vulnerability that sends application data buffered before the handshake completes to the client-facing server when Encrypted Client Hello is rejected. Because starttraffic queues plaintext from ClientConnection::writer before sending th...