CVE-2023-47701: 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, and 11.5 is vulnerable to denial of service with a specially crafted query. IBM X-Force ID: 266166.

Affected products

• IBM DB2: from 10.5.0.0, up to and including 10.5.0.11; from 11.1.0.0, up to and including 11.1.4.7; from 11.5, up to and including 11.5.9

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