CVE-1999-1089: HP HP-Ux

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

Buffer overflow in chfn command in HP-UX 9.X through 10.20 allows local users to gain privileges via a long command line argument.

Affected products

• HP HP-Ux: up to and including 10.20; version 9 only; version 10 only

Published 1996-12-13. Last modified 2026-06-16.