Apple Security Advisory 2011-07-15-1
Apple Security Advisory 2011-07-15-1 - A buffer overflow exists in FreeType's handling of TrueType fonts. Viewing a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution
PDF security hole opens can of worms
The security perils of PDF files have been further highlighted by new research illustrating how a manipulated file might be used to infect other PDF files on a system.