wolfSSH SSH client accepts unsolicited forwarded-tcpip channel opens without an authorization check

wstrncat() unsigned integer underflow leads to an off-by-one null write in wolfSSH on non-Windows platforms

wolfSSH ECDSA host key curve not validated against negotiated algorithm

wolfSSH server accepts server-to-client DH group exchange messages from an unauthenticated client, causing pre-authentication primality-test CPU exhaustion and key exchange role confusion