Denial of Service in MySQL Server by Oracle
CVE-2025-21504

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
21 January 2025

What is CVE-2025-21504?

A vulnerability exists in the MySQL Server component of Oracle MySQL, where an attacker with high privileges and network access can exploit this flaw. The vulnerability allows the attacker to cause a denial of service by hanging or crashing the MySQL Server, severely affecting its availability. The supported versions affected include 8.0.39 and prior, 8.4.2 and prior, and 9.0.1 and prior. Organizations using these versions should take immediate steps to mitigate potential risks associated with this vulnerability.

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Affected Version(s)

MySQL Server * <= 8.0.39

MySQL Server * <= 8.4.2

MySQL Server * <= 9.0.1

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

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