CVE-1999-1066

Medium CVSS 5

Published 1999-12-22 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1066, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Quake 1 server responds to an initial UDP game connection request with a large amount of traffic, which allows remote attackers to use the server as an amplifier in a "Smurf" style attack on another host, by spoofing the connection request.

Sources

NVD record for CVE-1999-1066

CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P