Oracle MySQL Server Denial-of-Service Vulnerability in the Optimizer Component

Vulnerability

A denial-of-service vulnerability has been identified in the MySQL Server product of Oracle MySQL, specifically in the Optimizer component. This vulnerability affects supported versions 9.0.0 through 9.1.0. It 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: Jul 15, 2025, 8:38 PM
Updated: Jul 15, 2025, 8:38 PM

Vulnerability Rating

Custom Algorithm
spread
6.8
impact
2.5
exploitability
4.4
remediation
0.0
relevance
0.3
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.