Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2025-50079

4.9MEDIUM

Key Information:

Vendor

Oracle

Vendor
CVE Published:
15 July 2025

What is CVE-2025-50079?

A vulnerability exists in MySQL Server within Oracle MySQL that could allow a privileged attacker with network access to exploit the service. This issue primarily affects specific versions, allowing an attacker to potentially cause a hang or frequent crashes of the database server, leading to a complete denial of service. The vulnerability is characterized by its ease of exploitation via multiple network protocols, which could result in significant availability impacts for affected systems.

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

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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CVE-2025-50079 : Denial of Service Vulnerability in MySQL Server by Oracle