CVE-2002-0663: Symantec Norton Internet Security

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

Buffer overflow in HTTP Proxy for Symantec Norton Personal Internet Firewall 3.0.4.91 and Norton Internet Security 2001 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large outgoing HTTP request.

Affected products

• Symantec Norton Internet Security: version 2001 only
• Symantec Norton Personal Firewall: version 2001_3.0.4.91 only

Published 2002-07-26. Last modified 2026-06-16.