InnoDB Vulnerability in MySQL Server by Oracle for Multiple Versions
CVE-2025-21503

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Server
Vendor
CVE Published:
21 January 2025

What is CVE-2025-21503?

A vulnerability exists in the MySQL Server product of Oracle MySQL that affects the InnoDB component. This flaw allows an attacker with high privileges and network access through multiple protocols to exploit the MySQL Server. Successful exploitation can lead to unauthorized actions that may cause the server to hang or crash frequently, resulting in a complete denial of service (DoS) for affected versions 8.0.40 and earlier, 8.4.3 and earlier, and 9.1.0 and earlier. Organizations using these versions should take immediate action to mitigate potential risks.

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Affected Version(s)

MySQL Server * <= 8.0.40

MySQL Server * <= 8.4.3

MySQL Server * <= 9.1.0

References

https://www.oracle.com/security-alerts/cpujan2025.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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