CVE-2006-1174: Debian Shadow

Low severity, CVSS 3.7. EPSS: 0.4% chance of exploitation in the next 30 days.

useradd in shadow-utils before 4.0.3, and possibly other versions before 4.0.8, does not provide a required argument to the open function when creating a new user mailbox, which causes the mailbox to be created with unpredictable permissions and possibly allows attackers to read or modify the mailbox.

Affected products

• Debian Shadow: up to and including 4.0.7; version 4.0.0 only; version 4.0.1 only; version 4.0.2 only; version 4.0.4 only; version 4.0.4.1 only; …

Published 2006-05-28. Last modified 2026-06-16.