Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2025-50102

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
15 July 2025

What is CVE-2025-50102?

A vulnerability exists in Oracle's MySQL Server product that can be exploited by an attacker with high privileges and network access. The flaw, located in the Server: Optimizer component, affects specific versions of MySQL Server and allows an attacker to cause a denial of service, leading to constant crashes or hangs of the server. This significant impact on availability could disrupt operations and compromise the stability of MySQL Server instances.

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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CVE-2025-50102 : Denial of Service Vulnerability in MySQL Server by Oracle