4.9
Medium
CVE-2026-21936 Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. 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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| MySQL Cluster 9.0 | 9.0.0 → 9.5.0 | No fix stated |
| MySQL Cluster 8.4 | 8.4.0 → 8.4.7 | No fix stated |
| MySQL Cluster 8.0 | 8.0.0 → 8.0.44 | No fix stated |
| MySQL Cluster 7.6 | 7.6.0 → 7.6.36 | No fix stated |
| MySQL Server 9.0 | 9.0.0 → 9.5.0 | No fix stated |
| MySQL Server 8.4 | 8.4.0 → 8.4.7 | No fix stated |
| MySQL Server 8.0 | 8.0.0 → 8.0.44 | No fix stated |
References
- Oracle Advisory www.oracle.com
Timeline
- Published
- Last modified
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