Denial of Service Vulnerability in Oracle MySQL Server
CVE-2025-50086

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
15 July 2025

What is CVE-2025-50086?

A vulnerability exists in the MySQL Server component of Oracle MySQL that allows attackers with high-level privileges and network access to exploit the server via various protocols. This vulnerability can lead to a denial of service, causing MySQL Server to hang or crash repeatedly, thus significantly affecting availability. The issue affects supported versions ranging from 8.0.0 to 9.3.0, highlighting the need for prompt updates to safeguard against potential exploitation.

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-2025-50086 : Denial of Service Vulnerability in Oracle MySQL Server