CVE-2005-4736: IBM DB2 Universal Database

Medium severity, CVSS 6.8. EPSS: 2.4% chance of exploitation in the next 30 days.

IBM DB2 Universal Database (UDB) 820 before 8.2 FP10 allows remote authenticated users to cause a denial of service (disk consumption) via a hash join (hsjn) that triggers an infinite loop in sqlri_hsjnFlushBlocks.

Affected products

• IBM DB2 Universal Database: version 8.0 only; version 8.1 only; version 8.1.4 only; version 8.1.5 only; version 8.1.6 only; version 8.1.6c only; …

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