New, Free HyperTerminal

More than a year ago, Microsoft warned of a "buffer overflow" security vulnerability found in the private edition of HyperTerminal communications tool that ships with Windows. Several weeks ago, a corrected version of the software finally became available:

We have just released HTPE (HyperTerminal Private Edition) 6.3 to correct potential security vulnerabilities that affect all versions of HyperTerminal. These vulnerabilities were discovered under laboratory conditions, and there are no known reports of them affecting users. Microsoft documents the issues at

You can download HTPE 6.3 free of charge from .HTPE is free for personal use and $29.95 for business use. Even if you use HTPE for business, you can still download version 6.3 and try it free for 15 days.

If you never use HyperTerminal, you don’t need to worry about the security problem, which only is present when HyperTerminal is running. But if you do use HyperTerminal, or think you might someday, it’d be smart to grab the new, corrected version.

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Fred Langa

About Fred Langa

Fred Langa is senior editor. His LangaList Newsletter merged with Windows Secrets on Nov. 16, 2006. Prior to that, Fred was editor of Byte Magazine (1987 to 1991) and editorial director of CMP Media (1991 to 1996), overseeing Windows Magazine and others.