MySQL is vulnerable to denial of service (Dos) attacks. A high privileged attacker with network access via multiple protocols could compromise MySQL Server resulting in unauthorized ability to cause a hang or frequently repeatable crash.
www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html#AppendixMSQL
www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixMSQL
www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html#AppendixMSQL
www.securityfocus.com/bid/99779
www.securitytracker.com/id/1038928
access.redhat.com/errata/RHSA-2017:2886
access.redhat.com/security/updates/classification/#important
dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-17.html
dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-18.html
dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-19.html