Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent:
Group Replication GCS). Supported versions that are affected are 5.7.19 and
earlier. Easily exploitable vulnerability allows high privileged attacker
with network access via multiple protocols 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. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector:
(CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

mdeslaur

5.7 only