Unspecified vulnerability in Oracle MySQL Server 5.1.62 and earlier, and 5.5.22 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server Optimizer.
http://rhn.redhat.com/errata/RHSA-2012-1462.html
http://secunia.com/advisories/51309
http://secunia.com/advisories/53372
http://security.gentoo.org/glsa/glsa-201308-06.xml
https://exchange.xforce.ibmcloud.com/vulnerabilities/77065
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html