From: Dr. Stephen Henson <steve@openssl.org>
Date: Wed, 13 May 2009 11:51:30 +0000 (+0000)
Subject: PR: 1923
X-Git-Tag: OpenSSL_1_0_0-beta3~91
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=561cbe567846a376153bea7f1f2d061e78029c2d;p=oweals%2Fopenssl.git

PR: 1923
Submitted by: Daniel Mentz <daniel.m@sent.com>, Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Don't access freed data structure.
---

diff --git a/ssl/d1_both.c b/ssl/d1_both.c
index ffbe5131d7..8883760da5 100644
--- a/ssl/d1_both.c
+++ b/ssl/d1_both.c
@@ -519,6 +519,7 @@ dtls1_retrieve_buffered_fragment(SSL *s, long max, int *ok)
 
 	if ( s->d1->handshake_read_seq == frag->msg_header.seq)
 		{
+		unsigned long frag_len = frag->msg_header.frag_len;
 		pqueue_pop(s->d1->buffered_messages);
 
 		al=dtls1_preprocess_fragment(s,&frag->msg_header,max);
@@ -536,7 +537,7 @@ dtls1_retrieve_buffered_fragment(SSL *s, long max, int *ok)
 		if (al==0)
 			{
 			*ok = 1;
-			return frag->msg_header.frag_len;
+			return frag_len;
 			}
 
 		ssl3_send_alert(s,SSL3_AL_FATAL,al);