CVE-2005-4085: Bluecoat Proxyav

High severity, CVSS 7.5. EPSS: 65.9% chance of exploitation in the next 30 days.

Buffer overflow in BlueCoat (a) WinProxy before 6.1a and (b) the web console access functionality in ProxyAV before 2.4.2.3 allows remote attackers to execute arbitrary code via a long Host: header.

Affected products

• Bluecoat Proxyav: any version
• Bluecoat Webproxy: version 4.0 only; version 5.0 only; version 5.1 only; version 5.2 only; version 6.0 only

Published 2005-12-31. Last modified 2026-06-16.