CVE-2025-53062: Oracle MySQL Server

Medium severity, CVSS 4.9. EPSS: 0.6% chance of exploitation in the next 30 days.

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Affected products

• Oracle MySQL Server: from 8.0.0, before 8.0.43 (fixed in 8.0.43); from 8.4.0, before 8.4.6 (fixed in 8.4.6); from 9.0.0, before 9.4.0 (fixed in 9.4.0)

Published 2025-10-21. Last modified 2026-10-08.