--- a/src/cyassl_int.c +++ b/src/cyassl_int.c @@ -1588,6 +1588,10 @@ b1 = ssl->buffers.inputBuffer.buffer[ssl->buffers.inputBuffer.idx++]; ssl->curSize = ((b0 & 0x7f) << 8) | b1; + + /* does not appear to a be a SSLv2 client hello */ + if ( ssl->buffers.inputBuffer.buffer[ssl->buffers.inputBuffer.idx] != 1 ) + return UNKNOWN_HANDSHAKE_TYPE; } else { ssl->options.processReply = getRecordLayerHeader;