Oracle MySQL Server Denial-of-Service Vulnerability in the Optimizer Component
Vulnerability
A denial-of-service vulnerability has been identified in the Oracle MySQL Server product, specifically within the Optimizer component. This issue affects MySQL versions 8.0.0 through 8.0.44, 8.4.0 through 8.4.7, and 9.0.0 through 9.5.0. The vulnerability is easily exploitable and allows a high-privileged attacker with network access to MySQL Server via multiple protocols to cause a hang or a frequently repeatable crash, leading to a complete denial-of-service condition on the server.
Impact
Exploitation of this vulnerability can cause MySQL Server to hang or crash, leading to a complete denial-of-service condition.
Added: Jan 20, 2026, 11:14 PM
Updated: Jan 20, 2026, 11:14 PM
