CVE-1999-1396: Sun Sunos

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

Vulnerability in integer multiplication emulation code on SPARC architectures for SunOS 4.1 through 4.1.2 allows local users to gain root access or cause a denial of service (crash).

Affected products

• Sun Sunos: version 4.1 only; version 4.1.1 only; version 4.1.2 only

Published 1992-07-21. Last modified 2026-06-16.