Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45. 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).
References
| Link | Resource |
|---|---|
| https://www.oracle.com/security-alerts/cpuapr2026.html | Vendor Advisory |
Configurations
History
23 Apr 2026, 15:06
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* | |
| References | () https://www.oracle.com/security-alerts/cpuapr2026.html - Vendor Advisory | |
| First Time |
Oracle mysql Server
Oracle |
22 Apr 2026, 14:16
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-400 |
21 Apr 2026, 21:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-21 21:16
Updated : 2026-04-23 15:06
NVD link : CVE-2026-34267
Mitre link : CVE-2026-34267
CVE.ORG link : CVE-2026-34267
JSON object : View
Products Affected
oracle
- mysql_server
CWE
CWE-400
Uncontrolled Resource Consumption