CVE-2026-16516 wolfSSH ECDSA host key curve not validated against negotiated algorithm

wolfSSH does not validate that the ECDSA curve identifier in a KEXDHREPLY host key blob matches the algorithm negotiated during key exchange. In ParseECCPubKey src/internal.c, the blob's algorithm string is used to derive the curve via NameToId/wcPrimeForId without checking against the negotiated...