| Package | Affected versions | Patched versions |
|---|---|---|
| mailenable enterprise | = 1.00= 1.01= 1.02= 1.03= 1.04 | |
| mailenable professional | = 1.5= 1.51= 1.52= 1.53= 1.54 |
The SMTP service in MailEnable Enterprise 1.04 and earlier and Professional 1.54 and earlier allows remote attackers to cause a denial of service (server crash) via an EHLO command with a Unicode string.
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