Microsoft Outlook client allows remote attackers to cause a denial of service by sending multiple email messages with the same X-UIDL headers, which causes Outlook to hang.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Outlook | Microsoft | 97 (including) | 97 (including) |
| Outlook | Microsoft | 98 (including) | 98 (including) |
| Outlook | Microsoft | 2000 (including) | 2000 (including) |
| Outlook_express | Microsoft | * | * |