Unspecified vulnerability in MySQL 5.5.x before 5.5.23 has unknown impact and attack vectors related to a "Security Fix", aka Bug #59533. NOTE: this might be a duplicate of CVE-2012-1689, but as of 20120816, Oracle has not commented on this possibility.
https://bugzilla.redhat.com/show_bug.cgi?id=833742
http://www.securityfocus.com/bid/63125
http://www.mandriva.com/security/advisories?name=MDVSA-2013:250