CVE-2025-21522: Medium severity Oracle MySQL Server vulnerability
Last updated 30 January 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). 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 - Upgrade
Upgrade
MySQL Server (Oracle MySQL)to a version that resolves this vulnerability.Fixed in 8.0.40 - Upgrade
Upgrade
MySQL Server (Oracle MySQL)to a version that resolves this vulnerability.Fixed in 8.4.3 - Upgrade
Upgrade
MySQL Server (Oracle MySQL)to a version that resolves this vulnerability.Fixed in 9.1.0
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21522?
CVE-2025-21522 is rated with a high severity level due to its potential for exploitation by low privileged attackers.
How do I fix CVE-2025-21522?
To fix CVE-2025-21522, upgrade MySQL Server to version 8.0.41-2 or later.
Which versions of MySQL are affected by CVE-2025-21522?
CVE-2025-21522 affects MySQL Server versions 8.0.40 and earlier, 8.4.3 and earlier, and 9.1.0 and earlier.
What component of MySQL is impacted by CVE-2025-21522?
CVE-2025-21522 impacts the Server: Parser component of the MySQL Server.
Is remote exploitation possible with CVE-2025-21522?
Yes, CVE-2025-21522 is considered easily exploitable with network access for low privileged attackers.