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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.oracle.com/security-alerts/cpuoct2025.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · oracleNVD modified 2026-10-08 11:10
Affected (CPE criteria) 1
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
References 1
- https://www.oracle.com/security-alerts/cpuoct2025.html Vendor Advisory