Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | MySQL Server | 8.4.0-8.4.12; 9.7.0-9.7.3; 26.7.0-26.7.1 |
| Oracle Corporation | MySQL Cluster | 8.0.0-8.0.49; 8.4.0-8.4.12; 9.7.0-9.7.3; 26.7.0-26.7.1 |
References
- https://www.oracle.com/security-alerts/cpuoct2026.htmlVendor Advisory
Timeline
- Published
- Oct 20, 2026
- Last modified
- Oct 30, 2026
- NVD status
- Analyzed