CVE-2025-21566

CVSS 3.1 Score 6.5 of 10 (medium)

Details

Published Jan 21, 2025

Summary

CVE-2025-21566 is a vulnerability affecting Oracle MySQL Server versions 9.1.0 and prior. This issue, located within the Optimizer component, is easily exploitable and allows a low-privileged attacker with network access to cause a hang or frequently repeatable crash of the MySQL Server. This can result in a denial-of-service (DoS) attack. According to the Common Vulnerability Scoring System (CVSS), this vulnerability has a base score of 6.5 and impacts availability. Attackers can exploit this issue via multiple protocols.

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