diff --git a/ssl/d1_both.c b/ssl/d1_both.c index ae8239a2ef..ffd4784a26 100644 --- a/ssl/d1_both.c +++ b/ssl/d1_both.c @@ -489,6 +489,12 @@ long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok) return i; } + if (mt >= 0 && s->s3->tmp.message_type != mt) { + al = SSL_AD_UNEXPECTED_MESSAGE; + SSLerr(SSL_F_DTLS1_GET_MESSAGE, SSL_R_UNEXPECTED_MESSAGE); + goto f_err; + } + p = (unsigned char *)s->init_buf->data; msg_len = msg_hdr->msg_len;