Denial of Service Vulnerability in IBM Db2 for Linux, UNIX and Windows
CVE-2025-36387

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2025-36387?

IBM Db2 for Linux, UNIX and Windows versions 11.5.0 through 11.5.9 are susceptible to a denial of service attack. An authenticated user can exploit this vulnerability by sending specially crafted queries that may lead to service disruptions. It is essential for users of these versions to apply the necessary patches to mitigate this risk and ensure the security and continuity of their operations. For further information and remediation steps, refer to IBM's official advisory.

Affected Version(s)

Db2 for Linux, UNIX and Windows 11.5.0 <= 11.5.9

References

https://www.ibm.com/support/pages/node/7257690
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

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