Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier allows local users to affect availability via vectors related to Optimizer.
https://access.redhat.com/errata/RHSA-2016:1132
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
http://rhn.redhat.com/errata/RHSA-2016-1481.html
http://rhn.redhat.com/errata/RHSA-2016-1480.html
http://rhn.redhat.com/errata/RHSA-2016-0534.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00053.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00035.html