Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.7.11 and earlier. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. External References: http://www.oracle.com/technetwork/topics/security/cpuapr2016-2881694.html#AppendixMSQL http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html#AppendixMSQL
Oracle indicates this issue only affected MySQL 5.7, hence no Red Hat product was affected.