CVE-2023-30442: IBM DB2

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 federated server is vulnerable to a denial of service as the server may crash when using a specially crafted wrapper using certain options. IBM X-Force ID: 253202.

Affected products

• IBM DB2: version 11.1.4.7 only; version 11.5 only

Published 2023-07-10. Last modified 2026-06-17.