CVE-2001-0596: Netscape Communicator

High severity, CVSS 7.5. EPSS: 8.7% chance of exploitation in the next 30 days.

Netscape Communicator before 4.77 allows remote attackers to execute arbitrary Javascript via a GIF image whose comment contains the Javascript.

Affected products

• Netscape Communicator: up to and including 4.77

Published 2001-08-02. Last modified 2026-06-16.