CVE-2006-4257: IBM DB2

Medium severity, CVSS 4.0. EPSS: 2.2% chance of exploitation in the next 30 days.

IBM DB2 Universal Database (UDB) before 8.1 FixPak 13 allows remote authenticated users to cause a denial of service (crash) by (1) sending the first ACCSEC command without an RDBNAM parameter during the CONNECT process, or (2) sending crafted SQLJRA packet, which results in a null dereference.

Affected products

• IBM DB2: 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 2006-08-21. Last modified 2026-06-16.