Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Client programs). Supported versions that are affected are 5.7.26 and prior and 8.0.16 and prior. Difficult to exploit vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the 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. CVSS 3.0 Base Score 4.2 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).