CVE-1999-0966: Sun Sunos

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Buffer overflow in Solaris getopt in libc allows local users to gain root privileges via a long argv[0].

Affected products

• Sun Sunos: version 5.5 only

Published 1997-01-27. Last modified 2026-06-16.