CVE-2004-1539: Gearbox Software Halo Combat Evolved

Medium severity, CVSS 5.0. EPSS: 3.4% chance of exploitation in the next 30 days.

Halo: Combat Evolved 1.05 and earlier allows remote game servers to cause a denial of service (client crash) via a long value in a game server reply, which triggers a NULL dereference.

Affected products

• Gearbox Software Halo Combat Evolved: version 1.2 only; version 1.4 only; version 1.5 only; version 1.31 only

Published 2004-12-31. Last modified 2026-06-16.