Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.6.13 and earlier allows remote authenticated users to affect availability via unknown vectors related to Performance Schema.
https://exchange.xforce.ibmcloud.com/vulnerabilities/90387
http://www.securityfocus.com/bid/64893
http://www.securityfocus.com/bid/64758
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
http://security.gentoo.org/glsa/glsa-201409-04.xml