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CVE-2000-1006

Medium CVSS 5

Published 2000-12-11 ยท last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-1006, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.

Sources

CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P