The WordPerfect 6.x Converter (WPFT632.CNV, 1998.1.27.0) in Microsoft Office Word 2000 SP3 and Microsoft Office Converter Pack does not properly validate the length of an unspecified string, which allows remote attackers to execute arbitrary code via a crafted WordPerfect 6.x file, related to an unspecified counter and control structures on the stack, aka "Word 2000 WordPerfect 6.x Converter Stack Corruption Vulnerability."