CVE-1999-1191: Sun Solaris

High severity, CVSS 7.2. EPSS: 1.9% chance of exploitation in the next 30 days.

Buffer overflow in chkey in Solaris 2.5.1 and earlier allows local users to gain root privileges via a long command line argument.

Affected products

• Sun Solaris: version 2.4 only; version 2.5 only; version 2.5.1 only
• Sun Sunos: up to and including 5.5.1; version 5.4 only; version 5.5 only

Published 1997-05-19. Last modified 2026-06-16.