Denial of Service Vulnerability in IBM Db2 for Linux, UNIX and Windows
CVE-2025-36423

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Db2 For Linux, Unix And Windows
Vendor
CVE Published:
30 January 2026

What is CVE-2025-36423?

A vulnerability exists in IBM Db2 for Linux, UNIX and Windows where improper neutralization of special elements in data query logic could allow local users to cause a denial of service. This flaw affects multiple versions of the Db2 database software, posing a risk to system availability and performance. Organizations should review their deployments and consult the provided advisory for necessary actions and patches.

Affected Version(s)

Db2 for Linux, UNIX and Windows 12.1.0 <= 12.1.3

References

https://www.ibm.com/support/pages/node/7257694
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.