Microsoft Internet Explorer 6.0 on Windows XP SP2 allows remote attackers to cause a denial of service (application crash) by calling the Click method of the Internet.HHCtrl.1 ActiveX object before initializing the URL, which triggers a null dereference.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Internet_explorer | Microsoft | 6.0 (including) | 6.0 (including) |
| Internet_explorer | Microsoft | 6.0-sp1 (including) | 6.0-sp1 (including) |
| Internet_explorer | Microsoft | 6.0-sp2 (including) | 6.0-sp2 (including) |