CVE-2004-2593: Id Software Quake Ii Server

High severity, CVSS 7.5. EPSS: 3.8% chance of exploitation in the next 30 days.

Buffer overflow in command-packet processing of Quake II server before R1Q2, as used in multiple products, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a packet with a long cmd_args buffer.

Affected products

• Id Software Quake Ii Server: version 3.20 only; version 3.21 only

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