Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 allows remote authenticated users to affect availability via unknown vectors related to Optimizer.
https://mariadb.com/kb/en/mdb-10023-rn/
https://mariadb.com/kb/en/mariadb/mariadb-5547-release-notes/
https://mariadb.com/kb/en/mariadb/mariadb-10110-release-notes/
https://access.redhat.com/errata/RHSA-2016:1132
http://www.ubuntu.com/usn/USN-2881-1
http://www.securitytracker.com/id/1034708
http://www.securityfocus.com/bid/81176
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.debian.org/security/2016/dsa-3459
http://www.debian.org/security/2016/dsa-3453
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