Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.6.13 and earlier allows remote attackers to affect availability via unknown vectors related to Thread Pooling.
http://secunia.com/advisories/56491
http://security.gentoo.org/glsa/glsa-201409-04.xml
https://exchange.xforce.ibmcloud.com/vulnerabilities/90375
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html