Historically, many browser-based attacks used intentionally malformed URLs to perform a buffer overflow attack and execute malicious code . Internet Explorer 7 benefits from these experiences and the analysis of attack signatures . Microsoft drastically reduced the internal attack surface of Internet Explorer 7 by rewriting certain sections of the code and by defining a single function to process URL data. This new data handler ensures higher reliability and provides better features and flexibility to address the changing nature of the Internet, URL formats, domain names, and international character sets
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