CVE-2025-50091: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.42, 8.4.0-8.4.5 and 9.0.0-9.3.0. 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-50091?
CVE-2025-50091 is classified as a high severity vulnerability.
How do I fix CVE-2025-50091?
To mitigate CVE-2025-50091, upgrade your Oracle MySQL Server to a version that is not affected.
Which versions of MySQL Server are affected by CVE-2025-50091?
The affected versions are 8.0.0 to 8.0.42, 8.4.0 to 8.4.5, and 9.0.0 to 9.3.0.
Can CVE-2025-50091 be exploited remotely?
Yes, CVE-2025-50091 can be exploited by an attacker with high privileges and network access.
What components of MySQL are impacted by CVE-2025-50091?
CVE-2025-50091 impacts the MySQL Server component, specifically the Optimizer.