Denial of Service Vulnerability in IBM Db2 for Linux, UNIX, and Windows
CVE-2025-36123

6.2MEDIUM

Key Information:

Vendor

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

What is CVE-2025-36123?

A vulnerability exists in IBM Db2 for Linux, UNIX, and Windows that may allow a local user to trigger a denial of service condition. This issue arises when the system improperly allocates resources while handling large tables that contain XML data. As a result, a local user could potentially exploit this flaw, leading to service disruptions and system unavailability. For more information, including patches and advisories, please refer to the vendor's support page.

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Deploy the Patch

Affected Version(s)

Db2 for Linux, UNIX and Windows 11.5.0 <= 11.5.9

Db2 for Linux, UNIX and Windows 12.1.0 <= 12.1.3

References

https://www.ibm.com/support/pages/node/7257627
vendor-advisorypatch

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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