These issues were addressed through improved validation of PNG images. Impact: Viewing a maliciously crafted PNG image may lead to an unexpected application termination or arbitrary code executionĭescription: Multiple memory corruption issues existed in libpng's handling of PNG images. This issue was addressed by updating libtiff to version 3.9.5. Impact: Viewing a maliciously crafted TIFF file may lead to an unexpected application termination or arbitrary code executionĭescription: A buffer overflow existed in libtiff's handling of ThunderScan encoded TIFF images. This issue was addressed by disabling DNAv4 on unencrypted Wi-Fi networks.ĬVE-2012-3725 : Mark Wuergler of Immunity, Inc. Impact: A malicious Wi-Fi network may be able to determine networks a device has previously accessedĭescription: Upon connecting to a Wi-Fi network, iOS may broadcast MAC addresses of previously accessed networks per the DNAv4 protocol. This issue was addressed through improved memory initialization.ĬVE-2012-3722 : Will Dormann of the CERT/CC Impact: Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code executionĭescription: An uninitialized memory access existed in the handling of Sorenson encoded movie files. Further information is available via the FreeType site at These issues were addressed by updating FreeType to version 2.4.9. Impact: Multiple vulnerabilities in FreeTypeĭescription: Multiple vulnerabilities existed in FreeType, the most serious of which may lead to arbitrary code execution when processing a maliciously crafted font. This issue was addressed through improvements to URL handling.ĬVE-2012-3724 : Erling Ellingsen of Facebook CFNetwork may send requests to an incorrect hostname, resulting in the disclosure of sensitive information. Impact: Visiting a maliciously crafted website may lead to the disclosure of sensitive informationĭescription: An issue existed in CFNetwork's handling of malformed URLs. Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later
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