CVE-1999-1262: Netscape Communicator

Medium severity, CVSS 5.1. EPSS: 1.6% chance of exploitation in the next 30 days.

Java in Netscape 4.5 does not properly restrict applets from connecting to other hosts besides the one from which the applet was loaded, which violates the Java security model and could allow remote attackers to conduct unauthorized activities.

Affected products

• Netscape Communicator: version 4.01 only; version 4.5 only; version 4.06 only; version 4.07 only; version 4.08 only

Published 1997-08-01. Last modified 2026-06-16.