Microsoft Outlook Express malformed email header denial of service

outlook-malformed-email-header-dos (16585) The risk level is classified as MediumMedium Risk

Description:

Microsoft Outlook Express is vulnerable to a denial of service attack. By sending an email with a malformed email header, a remote attacker could cause the recipient's email client to crash, once the victim attempts to open the malicious email.


Consequences:

Denial of Service

Remedy:

Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.

— OR —

Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.

References:

Platforms Affected:

  • Microsoft Outlook Express 5.5 SP2
  • Microsoft Outlook Express 6.0 SP1 x64
  • Microsoft Outlook Express 6.0
  • Microsoft Outlook Express 6.0 SP1

Reported:

Jul 13, 2004

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