CVE-2005-4864: IBM DB2 Universal Database

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Stack-based buffer overflow in libdb2.so in IBM DB2 7.x and 8.1 allows local users to execute arbitrary code via a long DB2LPORT environment variable.

Affected products

• IBM DB2 Universal Database: version 7.0 only; version 7.1 only; version 7.2 only; version 8.0 only; version 8.1 only

Published 2005-12-31. Last modified 2026-06-16.