mysql is vulnerable to denial of service. An easy to exploit vulnerability allows a high privileged attacker to crash the server, or perform unauthorized udpate, insert or delete.
www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
access.redhat.com/errata/RHSA-2019:2484
access.redhat.com/errata/RHSA-2019:2511
access.redhat.com/security/updates/classification/#important
support.f5.com/csp/article/K02585438
support.f5.com/csp/article/K02585438?utm_source=f5support&utm_medium=RSS
usn.ubuntu.com/4070-1/