CVE-2025-53044

low-risk

Published 2025-10-21

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. 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).

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.9/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Mysql Server

Affected Vendors

Oracle

References (1)

Vendor Advisory https://www.oracle.com/security-alerts/cpuoct2025.html

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low-risk

Severity 20/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal