Denial of Service Vulnerability in Oracle MySQL Server Component
CVE-2025-21522

6.5MEDIUM

Key Information:

Vendor
Oracle
Status
Mysql Server
Vendor
CVE Published:
21 January 2025

Summary

A vulnerability exists in Oracle's MySQL Server that could allow an attacker with low privileges and network access to disrupt the server's functionality. The flaw resides in the server's parser component and affects specific versions of the product, making it susceptible to exploitation. Attackers may leverage this vulnerability to force the MySQL Server to hang or crash, resulting in a denial of service that could severely impact availability. Users are advised to implement the latest updates from Oracle to mitigate these risks.

Affected Version(s)

MySQL Server * <= 8.0.40

MySQL Server * <= 8.4.3

MySQL Server * <= 9.1.0

References

https://www.oracle.com/security-alerts/cpujan2025.html
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.