CVE-2025-2534: IBM DB2

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Db2 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

Affected products

• IBM DB2: from 11.1.0, up to and including 11.1.4.7; from 11.5.0, up to and including 11.5.9; from 12.1.0, up to and including 12.1.3

Published 2025-11-07. Last modified 2026-10-07.