CVE-1999-1569: Id Software Quake

Medium severity, CVSS 5.0. EPSS: 3.2% chance of exploitation in the next 30 days.

Quake 1 and NetQuake servers allow remote attackers to cause a denial of service (resource exhaustion or forced disconnection) via a flood of spoofed UDP connection packets, which exceeds the server's player limit.

Affected products

Published 2001-07-17. Last modified 2026-06-16.