CVE-2009-1836

Name of the Vulnerable Software and Affected Versions: Mozilla Firefox versions prior to 3.0.11 Thunderbird versions prior to 2.0.0.22 SeaMonkey versions prior to 1.1.17

Description: The issue allows man-in-the-middle attackers to execute arbitrary web script by modifying a non-200 CONNECT response from a proxy server. This is achieved by using the HTTP Host header to determine the context of a document.

Recommendations: For Mozilla Firefox versions prior to 3.0.11, update to version 3.0.11 or later. For Thunderbird versions prior to 2.0.0.22, update to version 2.0.0.22 or later. For SeaMonkey versions prior to 1.1.17, update to version 1.1.17 or later.