Unspecified vulnerability in Oracle MySQL 5.6.27 and earlier and 5.7.9 allows remote authenticated users to affect availability via unknown vectors related to Optimizer.Referenceshttp://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.htmlhttp://www.securitytracker.com/id/1034708http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlhttp://www.ubuntu.com/usn/USN-2881-1http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.htmlhttp://rhn.redhat.com/errata/RHSA-2016-0705.htmlhttp://www.securityfocus.com/bid/81164