Opening a PDF containing a maliciously crafted TrueType font in either Adobe Acrobat or Reader 9.3.4 could result in arbitrary code execution or a crash. Although the vulnerability affects all the platforms on which Adobe Acrobat and Reader run, the current exploits in the wild target only Windows. To be safe, rely on Apple's Preview, Smile's PDFpen, or another PDF application until Adobe closes the vulnerability with a 4 October 2010 release.
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