MEDIUM 4.9 Microsoft

CVE-2025-21490

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).

Microsoft Security Update 2025-Jan: 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).

Affected Products

cbl2 mysql 8.0.40-4 on CBL Mariner 2.0
cbl2 mariadb 10.6.20-1 on CBL Mariner 2.0
cbl2 mariadb 10.6.21-1 on CBL Mariner 2.0
cbl2 mysql 8.0.41-1 on CBL Mariner 2.0
azl3 mariadb 10.11.11-1 on Azure Linux 3.0
azl3 mariadb 10.11.10-1 on Azure Linux 3.0

References

Published: 2025-01-14 · Source: Microsoft · Feed updated: 2026-08-11

This medium severity vulnerability with a CVSS score of 4.9 was published on 2025-01-14 via Microsoft. Affected: cbl2 mysql 8.0.40-4 on CBL Mariner 2.0, cbl2 mariadb 10.6.20-1 on CBL Mariner 2.0, cbl2 mariadb 10.6.21-1 on CBL Mariner 2.0 and 3 more.

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