CVE-2008-6441: Epicgames Unreal Engine

High severity, CVSS 9.3. EPSS: 3.5% chance of exploitation in the next 30 days.

Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG), and possibly (3) the LEVEL parameter in a WELCOME command.

Affected products

• Epicgames Unreal Engine: version 2 only; version 2.5 only; version 3 only

Published 2009-03-09. Last modified 2026-06-16.