CVE-2025-21579: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.0.42-1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21579?
CVE-2025-21579 has been classified as a high severity vulnerability.
How do I fix CVE-2025-21579?
To mitigate CVE-2025-21579, upgrade to a non-vulnerable version of Oracle MySQL Server, preferably beyond the affected versions.
What versions are affected by CVE-2025-21579?
CVE-2025-21579 affects Oracle MySQL Server versions 8.0.0 to 8.0.41, 8.4.0 to 8.4.4, and 9.0.0 to 9.2.0.
Who can exploit CVE-2025-21579?
CVE-2025-21579 can be exploited by a high privileged attacker with network access.
What is the impact of CVE-2025-21579?
The impact of CVE-2025-21579 could allow attackers to fully compromise the MySQL Server.