CVE-2025-36009 MEDIUM

CVE-2025-36009: IBM Db2 Denial of Service

Vendor Ibm
Product Db2 for Linux, UNIX and Windows
Weakness CWE-1284
Published January 30, 2026
Last update February 4, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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) could allow an authenticated user to cause a denial of service due to excessive use of a global variable.

Key dates

02Disclosure timeline

January 30, 2026 CVE published
February 4, 2026 Record updated