Denial of Service Vulnerability in IBM Db2 for Linux, UNIX, and Windows
CVE-2025-36122

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Db2
Vendor
CVE Published:
30 April 2026

What is CVE-2025-36122?

A vulnerability in IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 for Linux, UNIX, and Windows allows an authenticated user to trigger a denial of service. This is achieved through a specially crafted SQL query that exploits inadequate system resource allocation. Proper handling of such requests is essential to maintain service delivery and prevent system disruptions.

Affected Version(s)

Db2 11.5.0 <= 11.5.9

Db2 12.1.0 <= 12.1.3

References

https://www.ibm.com/support/pages/node/7267642
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

.