Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows high privileged 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 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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | MySQL Server | 8.4.0-8.4.10; 9.7.0-9.7.1 |
| Oracle Corporation | MySQL Cluster | 8.0.0-8.0.47; 8.4.0-8.4.10; 9.7.0-9.7.1 |
References
- https://www.oracle.com/security-alerts/cpujul2026.htmlVendor Advisory
Timeline
- Published
- Jul 21, 2026
- Last modified
- Jul 27, 2026
- NVD status
- Analyzed