| Package | Affected versions | Patched versions |
|---|---|---|
| mailessentials | = 10.0= 10.1= 9.0 | |
| mailsecurity | = 8.0 |
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.
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