Unspecified vulnerability in Oracle MySQL Server 5.1.62 and earlier, and 5.5.23 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server Optimizer.
https://exchange.xforce.ibmcloud.com/vulnerabilities/77064
http://www.securityfocus.com/bid/54540
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1744
http://www.securitytracker.com/id?1027263
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://secunia.com/advisories/53372