Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Oracle Corporation / MySQL Cluster8.0.11-8.0.46 – 8.0.11-8.0.46
- Oracle Corporation / MySQL Cluster8.4.0-8.4.9 – 8.4.0-8.4.9
- Oracle Corporation / MySQL Cluster9.0.0-9.7.0 – 9.0.0-9.7.0
- Oracle Corporation / MySQL Server8.4.0-8.4.9 – 8.4.0-8.4.9
- Oracle Corporation / MySQL Server9.0.0-9.7.0 – 9.0.0-9.7.0
References
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cspujun2026.html