CVE-1999-1569: Quake 1 and NetQuake servers allow remote attackers to cause a denial of service (resource exhaustion or fo...

Security readout for executives and security teams

This is an old denial-of-service issue in Quake 1 and NetQuake servers. An attacker could make the server exhaust player slots or disconnect users using spoofed UDP connection traffic. Business impact is limited to exposed legacy game servers, but availability can be disrupted. Exposure is likely limited to organizations still running internet-reachable Quake 1 or NetQuake servers, archives, labs, or hobby services. Normal enterprise systems are not indicated as affected by the provided sources. Treat this as a low-scope legacy availability risk unless an exposed Quake 1 or NetQuake server supports a business, community, or research function. Prioritize discovery and removal of unnecessary exposure. Mitigation focus: Inventory any Quake 1 or NetQuake servers still running.; Remove public exposure if the service is not business-required.; Restrict UDP access to trusted networks or known participants where feasible..

Prepared

Jul 1, 2026, 06:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.