diff -Nura openssl-0.9.8l/ssl/d1_both.c openssl-0.9.8l-CVE-2009-1378/ssl/d1_both.c --- openssl-0.9.8l/ssl/d1_both.c 2007-10-17 18:17:49.000000000 -0300 +++ openssl-0.9.8l-CVE-2009-1378/ssl/d1_both.c 2009-11-10 13:20:02.000000000 -0300 @@ -561,7 +561,16 @@ if ((msg_hdr->frag_off+frag_len) > msg_hdr->msg_len) goto err; - if (msg_hdr->seq <= s->d1->handshake_read_seq) + /* Try to find item in queue, to prevent duplicate entries */ + pq_64bit_init(&seq64); + pq_64bit_assign_word(&seq64, msg_hdr->seq); + item = pqueue_find(s->d1->buffered_messages, seq64); + pq_64bit_free(&seq64); + + /* Discard the message if sequence number was already there, is + * too far in the future or the fragment is already in the queue */ + if (msg_hdr->seq <= s->d1->handshake_read_seq || + msg_hdr->seq > s->d1->handshake_read_seq + 10 || item != NULL) { unsigned char devnull [256];