A vulnerability in Oracle MySQL Server (CVE-2024-21193) affects versions 8.0.39 and prior, 8.4.2 and prior, and 9.0.1 and prior. This flaw allows a high-privileged attacker with network access 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 primarily impacting availability. Oracle has released patches for this vulnerability in their October 2024 Critical Patch Update.