vulnerability
Alma Linux: CVE-2025-21521: Important: mysql security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Jan 21, 2025 | Feb 21, 2025 | Mar 31, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 21, 2025
Added
Feb 21, 2025
Modified
Mar 31, 2026
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.39 and prior, 8.4.2 and prior and 9.0.1 and prior. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Solutions
alma-upgrade-mecabalma-upgrade-mecab-develalma-upgrade-mecab-ipadicalma-upgrade-mecab-ipadic-eucjpalma-upgrade-mysqlalma-upgrade-mysql-commonalma-upgrade-mysql-develalma-upgrade-mysql-errmsgalma-upgrade-mysql-libsalma-upgrade-mysql-serveralma-upgrade-mysql-test
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.