A vulnerability exists in the MySQL Server product of Oracle MySQL, specifically in the InnoDB component. It affects supported versions 8.0.39 and prior, 8.4.2 and prior, and 9.0.1 and prior. The flaw allows a high privileged attacker with network access via multiple protocols to cause a denial of service by hanging or crashing the MySQL Server. The CVSS 3.1 base score is 4.9, indicating a medium severity impact focused on availability.