Microsoft Security Bulletin (MS00-043) - Patch Available for "Malformed E-mail Header" Vulnerability. Outlook and Outlook Express allow a malicious user to cause code of his choice to execute on another user's computer. A component shared by Outlook and Outlook Express contains an unchecked buffer in the functionality that parses e-mail headers when downloading mail via either POP3 or IMAP4. Microsoft FAQ on this issue available here.
Microsoft Security Bulletin (MS00-043) - Patch Available for "Malformed E-mail Header" Vulnerability. Outlook and Outlook Express allow a malicious user to cause code of his choice to execute on another user's computer. A component shared by Outlook and Outlook Express contains an unchecked buffer in the functionality that parses e-mail headers when downloading mail via either POP3 or IMAP4. Microsoft FAQ on this issue available here.