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).

INFO

Published Date :

2025-01-21T20:53:04.705Z

Last Modified :

2025-11-03T20:57:47.686Z

Source :

oracle
AFFECTED PRODUCTS

The following products are affected by CVE-2025-21521 vulnerability.

Vendors Products
Oracle
  • Mysql Server
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Eus
  • Rhel Tus
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21521.

URL Resource
https://nvd.nist.gov/vuln/detail/CVE-2025-21521 cve-icon
https://security.netapp.com/advisory/ntap-20250124-0010/ cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-21521 cve-icon
https://www.oracle.com/security-alerts/cpujan2025.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2025.html#AppendixMSQL cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact