CVE-2025-30721: mysql server — Fix

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: UDF). 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. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. 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 4.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H).

Is your site exposed to CVE-2025-30721?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.0

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
oracle	mysql_server	8.0.0 — 8.0.41
oracle	mysql_server	8.4.0 — 8.4.4
oracle	mysql_server	9.0.0 — 9.2.0

References

Advisories & Patches

https://www.oracle.com/security-alerts/cpuapr2025.html

Other References

https://security.netapp.com/advisory/ntap-20250502-0006/

Frequently Asked Questions

What is CVE-2025-30721? +

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: UDF). 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. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. 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 4.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H). It has a CVSS v3.1 base score of 4.0 (MEDIUM).

How severe is CVE-2025-30721? +

CVE-2025-30721 has a CVSS v3.1 score of 4.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-30721? +

CVE-2025-30721 affects products from oracle, specifically: mysql_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-30721? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-35308 10.0

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars). Supported versions that are affected …

CVE-2026-60217 10.0

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, …

CVE-2026-60366 10.0

Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). Supported versions that …

CVE-2026-35307 10.0

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, …

CVE-2026-46800 10.0

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are …

CVE-2026-46798 10.0