CVE-2007-4443: Epic Games Unreal Engine

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.

Affected products

• Epic Games Unreal Engine: version 2003 only; version 2004 only

Published 2007-08-21. Last modified 2026-06-16.