CVE-2023-45178: 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) 11.5 CLI is vulnerable to a denial of service when a specially crafted request is used. IBM X-Force ID: 268073.

Affected products

• IBM DB2: version 11.5 only

Published 2023-12-03. Last modified 2026-06-17.