CVE-2007-1501: Avant Force Avant Browser

High severity, CVSS 9.3. EPSS: 5.8% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Avant Browser 11.0 build 26 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long Content-Type HTTP header.

Affected products

• Avant Force Avant Browser: version 11.0_build_26 only

Published 2007-03-19. Last modified 2026-06-16.