CVE-2025-36428 MEDIUM

CVE-2025-36428: IBM Db2 Denial of Service

Vendor Ibm
Product Db2 for Linux, UNIX and Windows
Weakness CWE-1284
Published January 30, 2026
Last update February 2, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/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) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic when the RPSCAN feature is enabled.

Key dates

02Disclosure timeline

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