CVE-2025-36123 MEDIUM

CVE-2025-36123: IBM Db2 Denial of Service

Vendor Ibm
Product Db2 for Linux, UNIX and Windows
Weakness CWE-770 · Uncontrolled resource consumption
Published January 30, 2026
Last update February 2, 2026
View on NVD All CVEs

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow a local user to cause a denial of service when copying large table containing XML data due to improper allocation of system resources.

Key dates

02Disclosure timeline

January 30, 2026 CVE published
February 2, 2026 Record updated