Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2025-50093

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
15 July 2025

What is CVE-2025-50093?

A vulnerability exists in the MySQL Server component of Oracle MySQL, allowing a high-privileged attacker with network access to exploit this weakness through multiple protocols. This exploit can lead to unauthorized actions capable of causing the MySQL Server to hang or crash frequently, resulting in a complete denial of service (DoS). Affected versions include 8.0.0 through 8.0.42, 8.4.0 through 8.4.5, and 9.0.0 through 9.3.0. Organizations using vulnerable MySQL Server versions should apply the necessary patches outlined in the Oracle Advisory.

Affected Version(s)

MySQL Server 8.0.0 <= 8.0.42

MySQL Server 8.4.0 <= 8.4.5

MySQL Server 9.0.0 <= 9.3.0

References

https://www.oracle.com/security-alerts/cpujul2025.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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