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

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
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.

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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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