A vulnerability in Oracle MySQL Server's replication component affects multiple supported versions. The flaw allows a high-privileged attacker with network access to cause a denial of service by hanging or crashing the MySQL Server. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS 3.1 base score is 4.9, indicating a medium severity level. Oracle has released patches for affected versions as part of its April 2025 Critical Patch Update.