Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.5.21 and earlier allows remote authenticated users to affect availability via unknown vectors related to Partition.
http://www.securityfocus.com/bid/53064
http://www.oracle.com/technetwork/topics/security/cpuapr2012-366314.html
http://security.gentoo.org/glsa/glsa-201308-06.xml
http://secunia.com/advisories/53372