CVE-2006-4520: Novell Edirectory

High severity, CVSS 7.8. EPSS: 2.9% chance of exploitation in the next 30 days.

ncp in Novell eDirectory before 8.7.3 SP9, and 8.8.x before 8.8.1 FTF2, does not properly handle NCP fragments with a negative length, which allows remote attackers to cause a denial of service (daemon crash) when the heap is written to a log file.

Affected products

  • Novell Edirectory: up to and including 8.7.3.8; version 8.8 only; version 8.8.1 only

Published 2007-04-30. Last modified 2026-06-16.