CVE-2023-40692: IBM DB2

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, 11.5 is vulnerable to denial of service under extreme stress conditions. IBM X-Force ID: 264807.

Affected products

• IBM DB2: version 10.5 only; version 11.1 only; version 11.5 only

Published 2023-12-04. Last modified 2026-06-17.