Apple Safari Plugin Unloading Remote Code Execution Vulnerability (Win)

Summary
This host is installed with Apple Safari web browser and is prone to remote code execution vulnerability.
Impact
Successful exploitation could allow attackers to execute arbitrary code by tricking a user into visiting a specially crafted web page. Impact Level: System/Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaw is due to unloading of plug-ins when navigating to a new page, which allows remote attackers to execute arbitrary code via a crafted web page while the user interacts with the plug-in.
Affected
Apple Safari version 5.1.2 on Windows
References