Unspecified vulnerability in Oracle MySQL 5.6.30 and earlier and 5.7.12 and earlier and MariaDB 10.0.x before 10.0.25 and 10.1.x before 10.1.14 allows remote administrators to affect availability via vectors related to Server: InnoDB.
https://mariadb.com/kb/en/mariadb/mariadb-10114-release-notes/
https://mariadb.com/kb/en/mariadb/mariadb-10025-release-notes/
https://access.redhat.com/errata/RHSA-2016:1132
http://www.ubuntu.com/usn/USN-3040-1
http://www.securitytracker.com/id/1036362
http://www.securityfocus.com/bid/91943
http://www.securityfocus.com/bid/91787
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html