CVE-2025-36122 MEDIUM

CVE-2025-36122: IBM® Db2® is vulnerable to a denial of service with a specially crafted query when stmtheap is set to automatic

Vendor Ibm
Product Db2
Weakness CWE-770 · Uncontrolled resource consumption
Published April 30, 2026
Last update May 27, 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 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service using a specially crafted SQL query due to improper allocation of system resources.

Key dates

02Disclosure timeline

April 30, 2026 CVE published
May 27, 2026 Record updated