Denial of Service Vulnerability in Oracle MySQL Server

CVE-2025-53040

What is CVE-2025-53040?

An exploitable vulnerability in the optimizer component of Oracle's MySQL Server enables high-privileged attackers with network access to cause severe disruptions. Exploitation can result in unauthorized downtime through consistent crashes or hang-ups of the MySQL Server instance. This vulnerability affects specific versions within the 8.x and 9.x series, making it critical for users to apply security measures promptly. Attackers can utilize multiple network protocols to exploit this flaw, emphasizing the need for vigilance in securing database environments.

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