A bug in the HTML parser in a certain Microsoft HTML library, as used in various third party products, may allow remote attackers to cause a denial of service via certain strings, as reported in GFI MailEssentials for Exchange 9 and 10, and GFI MailSecurity for Exchange 8, which causes emails to remain in IIS or Exchange mail queues.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mailessentials | Gfi | 9.0 (including) | 9.0 (including) |
| Mailessentials | Gfi | 10.0 (including) | 10.0 (including) |
| Mailessentials | Gfi | 10.1 (including) | 10.1 (including) |
| Mailsecurity | Gfi | 8.0 (including) | 8.0 (including) |