CVE-2025-21501: Medium severity Oracle MySQL Server vulnerability
Last updated 30 January 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. 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).
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/mysql-8.0to a version that resolves this vulnerability.Fixed in 8.0.42-1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21501?
CVE-2025-21501 is classified as an easily exploitable vulnerability that affects multiple versions of MySQL Server.
How do I fix CVE-2025-21501?
To fix CVE-2025-21501, upgrade MySQL Server to version 8.0.41-2 or later.
Which MySQL Server versions are affected by CVE-2025-21501?
Affected versions include MySQL Server 8.0.40 and prior, 8.4.3 and prior, and 9.1.0 and prior.
Who is the vendor for CVE-2025-21501?
The vendor for CVE-2025-21501 is Oracle, specifically for their MySQL Server product.
Is CVE-2025-21501 exploitable remotely?
Yes, CVE-2025-21501 is easily exploitable by a low privileged attacker with network access.