Firefox

A flaw in Firefox could allow an exploit that uses a buffer overflow condition. Please upgrade to Firefox 1.0.2 soon!

The Mozilla Foundation on Wednesday shipped a new version of its flagship Firefox Web browser to patch a serious security hole that could put users at risk of computer takeover. The flaw, which was discovered and reported by Internet Security Systems Inc., causes a buffer overflow because of the way GIF files are processed by Firefox. Developed by CompuServe in the 1980s, the GIF format is widely used on the Web because of the improved file-compression features it offers. “There have been no known exploits of the bug, but as Mozilla is committed to delivering the most secure product possible, we decided to quickly issue an update to patch the bug,” said Chris Hoffman, director of engineering at Mozilla.

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