CVE-2015-2568
Unspecified vulnerability in Oracle MySQL Server 5.5.41 and earlier, and 5.6.22 and earlier, allows remote attackers to affect availability via unknown vectors related to Server : Security : Privileges.
Date published : 2015-04-16
http://www.securityfocus.com/bid/74073
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html