CVE-1999-1043

Summary

CVE-1999-1043 is a vulnerability affecting Microsoft Exchange Server 5.5 and 5.0. Malformed NNTP (Network News Transfer Protocol) and SMTP (Simple Mail Transfer Protocol) data can be exploited by remote attackers, leading to application errors and a denial of service. The Exchange Server does not handle such data properly, allowing attackers to manipulate the system and cause instability. This issue poses a risk to the availability of affected email systems.

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