CVE-2025-36009: IBM DB2

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• IBM DB2: from 11.5.0, up to and including 11.5.9; from 12.1.0, up to and including 12.1.3

Published 2026-01-30. Last modified 2026-06-17.