Oracle MySQL 5.1 before 5.1.49 allows remote authenticated users to cause a denial of service (mysqld daemon crash) by creating temporary tables with nullable columns while using InnoDB, which triggers an assertion failure.
https://exchange.xforce.ibmcloud.com/vulnerabilities/64686
http://www.vupen.com/english/advisories/2011/0345
http://www.vupen.com/english/advisories/2011/0170
http://www.vupen.com/english/advisories/2011/0133
http://www.vupen.com/english/advisories/2011/0105
http://www.ubuntu.com/usn/USN-1397-1
http://www.ubuntu.com/usn/USN-1017-1
http://www.turbolinux.co.jp/security/2011/TLSA-2011-3j.txt
http://www.securityfocus.com/bid/42598
http://www.redhat.com/support/errata/RHSA-2011-0164.html
http://www.redhat.com/support/errata/RHSA-2010-0825.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:012
http://www.mandriva.com/security/advisories?name=MDVSA-2010:222
http://www.mandriva.com/security/advisories?name=MDVSA-2010:155
http://www.debian.org/security/2011/dsa-2143
http://secunia.com/advisories/42936
http://secunia.com/advisories/42875