CVE-2000-0055: Sun Solaris

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Buffer overflow in Solaris chkperm command allows local users to gain root access via a long -n option.

Affected products

• Sun Solaris: version 2.4 only; version 2.5 only; version 2.5.1 only; version 2.6 only; version 7.0 only
• Sun Sunos: affected versions not specified; version 5.3 only; version 5.4 only; version 5.5 only; version 5.5.1 only; version 5.7 only

Published 2000-01-06. Last modified 2026-06-16.