Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2025-21505

4.9MEDIUM

Key Information:

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

Summary

A vulnerability has been identified in the MySQL Server product of Oracle MySQL, specifically in the Server: Components Services component. This issue affects several supported versions, including 8.0.40 and earlier, 8.4.3 and earlier, and 9.1.0 and earlier. Attackers with high privileges and network access via multiple protocols could exploit this weakness, leading to unauthorized actions that may result in a denial of service (DoS). The successful exploitation could cause a complete hang or frequent crashes of the MySQL Server, severely impacting its availability.

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:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.