CVE-2003-1321: Avant Force Avant Browser

High severity, CVSS 7.5. EPSS: 4.5% chance of exploitation in the next 30 days.

Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.

Affected products

Published 2003-12-31. Last modified 2026-06-16.