CVE-1999-1226: Netscape Communicator

Low severity, CVSS 2.6. EPSS: 0.8% chance of exploitation in the next 30 days.

Netscape Communicator 4.7 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long certificate key.

Affected products

• Netscape Communicator: up to and including 4.7

Published 1999-10-28. Last modified 2026-06-16.