CVE-2026-34272
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.6.0. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
- Affected products
- Mysql Server, Mariadb, Mariadb-10.0, Mariadb-10.1, Mariadb-10.3, Mariadb-10.6, Mysql-5.5, Mysql-5.7
- Oracle Mysql Server
- ≤ 9.6.0
- CVSS 3.1
- 6.5 MEDIUM
- EPSS
- 0.3% (23th percentile)
- Weakness
- CWE-400
- NVD status
- Analyzed
- Published
- 2026-04-21
No indexed exploits for CVE-2026-34272 yet
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