CVE-2025-21523: Medium severity ORACLE MySQL Server vulnerability
Last updated 30 January 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). 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 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).
— 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 - Upgrade
Upgrade
Oracle MySQL (InnoDB)to a version that resolves this vulnerability.Fixed in 8.0.40 - Upgrade
Upgrade
Oracle MySQL (InnoDB)to a version that resolves this vulnerability.Fixed in 8.4.3 - Upgrade
Upgrade
Oracle MySQL (InnoDB)to a version that resolves this vulnerability.Fixed in 9.1.0
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21523?
CVE-2025-21523 is classified as a high severity vulnerability due to its potential for exploitation by high privileged users.
How do I fix CVE-2025-21523?
To fix CVE-2025-21523, upgrade your MySQL Server to version 8.0.41-2 or later.
Which MySQL versions are affected by CVE-2025-21523?
CVE-2025-21523 affects MySQL versions 8.0.40 and prior, 8.4.3 and prior, and 9.1.0 and prior.
Is CVE-2025-21523 an exploit that needs network access?
Yes, CVE-2025-21523 requires network access for exploitation.
What component of MySQL Server does CVE-2025-21523 impact?
CVE-2025-21523 impacts the InnoDB component of MySQL Server.