Apple Security Advisory 2011-07-20-2 - An iWork 9.1 update addresses multiple security issues. A buffer overflow existed in the handling of Excel files. Opening a maliciously crafted Excel file in Numbers may lead to an unexpected application termination or arbitrary code execution. A memory corruption issue existed in the handling of Excel files. Opening a maliciously crafted Excel file in Numbers may lead to an unexpected application termination or arbitrary code execution. A memory corruption issue existed in the handling of Microsoft Word documents. Opening a maliciously crafted Microsoft Word document in Pages may lead to an unexpected application termination or arbitrary code execution.
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