CVE-2004-1866: Nstx IP Over DNS Utility

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

nstxd in Nstx 1.1 beta3 and earlier allows remote attackers to cause a denial of service (crash) via a large packet, which triggers a null dereference.

Affected products

• Nstx IP Over DNS Utility: version 1.0 only; version 1.1_beta1 only; version 1.1_beta2 only; version 1.1_beta3 only

Published 2004-03-26. Last modified 2026-06-16.