CVE-2008-5297: Vitalwerks No-IP Duc

High severity, CVSS 7.6. EPSS: 18.5% chance of exploitation in the next 30 days.

Buffer overflow in No-IP DUC 2.1.7 and earlier allows remote HTTP servers to execute arbitrary code via a crafted response to a DNS update request, related to a missing length check in the GetNextLine function.

Affected products

• Vitalwerks No-IP Duc: up to and including 2.1.7; version 2.0.3 only; version 2.1 only; version 2.1.5 only

Published 2008-12-01. Last modified 2026-06-16.