Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.5.26 and earlier, allows remote authenticated users to affect availability via unknown vectors related to Server. References: [1] http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html
Text of the Oracle flaw description: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server). Supported versions that are affected are 5.5.26 and earlier. Easily exploitable vulnerability allows successful authenticated network attacks via multiple protocols. Successful attack of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. http://www.oracle.com/technetwork/topics/security/cpuoct2012verbose-1515934.html#MSQL Upstream notes this issue only affected MySQL versions 5.5. Red Hat Enterprise Linux 5 and 6 include MySQL versions 5.0.x and 5.1.x respectively, which are not listed as affected. Current Fedora versions are already updated to fixed upstream version. Closing.