CVE-2024-21125 is a vulnerability in the Oracle MySQL Server's Full-Text Search (FTS) component affecting versions 8.0.37 and prior, and 8.4.0 and prior. It allows a high-privileged attacker with network access to cause a denial of service by hanging or crashing the MySQL Server. The vulnerability has a CVSS 3.1 base score of 4.9, indicating a medium severity focused on availability impact.