CVE-2025-36247: IBM DB2

High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Affected products

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

Published 2026-02-17. Last modified 2026-06-17.