ssl/s3_pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a DTLS ChangeCipherSpec packet that occurs before ClientHello.
https://exchange.xforce.ibmcloud.com/vulnerabilities/50963
http://www.vupen.com/english/advisories/2010/0528
http://www.ubuntu.com/usn/USN-792-1
http://www.redhat.com/support/errata/RHSA-2009-1335.html
http://www.openwall.com/lists/oss-security/2009/06/02/1
http://secunia.com/advisories/38834
http://secunia.com/advisories/38794
http://secunia.com/advisories/36533
http://secunia.com/advisories/35729
http://secunia.com/advisories/35685
http://secunia.com/advisories/35571
http://rt.openssl.org/Ticket/Display.html?id=1679&user=guest&pass=guest
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html