About the security content of iOS 9.3.2
This document describes the security content of iOS 9.3.2.
For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.
For information about the Apple Product Security PGP Key, see How to use the Apple Product Security PGP Key.
Where possible, CVE IDs are used to reference the vulnerabilities for further information.
To learn about other security updates, see Apple security updates.
iOS 9.3.2
- Accessibility - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: A malicious application may be able to leak sensitive user information - Description: An out-of-bounds read issue was addressed through improved input validation. - CVE-ID - CVE-2016-1790 : Rapelly Akhil 
- CFNetwork Proxies - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An attacker in a privileged network position may be able to leak sensitive user information - Description: An information leak existed in the handling of HTTP and HTTPS requests. This issue was addressed through improved URL handling. - CVE-ID - CVE-2016-1801 : Alex Chapman and Paul Stone of Context Information Security 
- CommonCrypto - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: A malicious application may be able to leak sensitive user information - Description: An issue existed in the handling of return values in CCCrypt. This issue was addressed through improved key length management. - CVE-ID - CVE-2016-1802 : Klaus Rodewig 
- CoreCapture - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to execute arbitrary code with kernel privileges - Description: A null pointer dereference was addressed through improved validation. - CVE-ID - CVE-2016-1803 : Ian Beer of Google Project Zero, daybreaker working with Trend Micro’s Zero Day Initiative 
- Disk Images - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: A local attacker may be able to read kernel memory - Description: A race condition was addressed through improved locking. - CVE-ID - CVE-2016-1807 : Ian Beer of Google Project Zero 
- Disk Images - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to execute arbitrary code with kernel privileges - Description: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling. - CVE-ID - CVE-2016-1808 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro 
- ImageIO - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Processing a maliciously crafted image may lead to a denial of service - Description: A null pointer dereference was addressed through improved validation. - CVE-ID - CVE-2016-1811 : Lander Brandt (@landaire) 
- IOAcceleratorFamily - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to execute arbitrary code with kernel privileges - Description: Multiple memory corruption issues were addressed through improved memory handling. - CVE-ID - CVE-2016-1817 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro working with Trend Micro's Zero Day Initiative - CVE-2016-1818: Juwei Lin of TrendMicro, sweetchip@GRAYHASH working with Trend Micro’s Zero Day Initiative - CVE-2016-1819 : Ian Beer of Google Project Zero - Entry updated December 13, 2016 
- IOAcceleratorFamily - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to cause a denial of service - Description: A null pointer dereference was addressed through improved locking. - CVE-ID - CVE-2016-1814 : Juwei Lin of TrendMicro 
- IOAcceleratorFamily - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to execute arbitrary code with kernel privileges - Description: A null pointer dereference was addressed through improved validation. - CVE-ID - CVE-2016-1813 : Ian Beer of Google Project Zero 
- IOHIDFamily - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to execute arbitrary code with kernel privileges - Description: A memory corruption issue was addressed through improved memory handling. - CVE-ID - CVE-2016-1823 : Ian Beer of Google Project Zero - CVE-2016-1824 : Marco Grassi (@marcograss) of KeenLab (@keen_lab), Tencent - CVE-2016-4650 : Peter Pi of Trend Micro working with HPs Zero Day Initiative 
- Kernel - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An application may be able to execute arbitrary code with kernel privileges - Description: Multiple memory corruption issues were addressed through improved memory handling. - CVE-ID - CVE-2016-1827 : Brandon Azad - CVE-2016-1828 : Brandon Azad - CVE-2016-1829 : CESG - CVE-2016-1830 : Brandon Azad - CVE-2016-1831 : Brandon Azad 
- libc - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution - Description: A memory corruption issue was addressed through improved input validation. - CVE-ID - CVE-2016-1832 : Karl Williamson 
- libxml2 - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution - Description: Multiple memory corruption issues were addressed through improved memory handling. - CVE-ID - CVE-2016-1833 : Mateusz Jurczyk - CVE-2016-1834 : Apple - CVE-2016-1835 : Wei Lei and Liu Yang of Nanyang Technological University - CVE-2016-1836 : Wei Lei and Liu Yang of Nanyang Technological University - CVE-2016-1837 : Wei Lei and Liu Yang of Nanyang Technological University - CVE-2016-1838 : Mateusz Jurczyk - CVE-2016-1839 : Mateusz Jurczyk - CVE-2016-1840 : Kostya Serebryany 
- libxslt - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: A memory corruption issue was addressed through improved memory handling. - CVE-ID - CVE-2016-1841 : Sebastian Apelt 
- MapKit - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: An attacker in a privileged network position may be able to leak sensitive user information - Description: Shared links were sent with HTTP rather than HTTPS. This was addressed by enabling HTTPS for shared links. - CVE-ID - CVE-2016-1842 : Richard Shupak (https://www.linkedin.com/in/rshupak) 
- OpenGL - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Processing maliciously crafted web content may lead to arbitrary code execution - Description: Multiple memory corruption issues were addressed through improved memory handling. - CVE-ID - CVE-2016-1847 : Tongbo Luo and Bo Qu of Palo Alto Networks 
- Safari - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: A user may be unable to fully delete browsing history - Description: "Clear History and Website Data" did not clear the history. The issue was addressed through improved data deletion. - CVE-ID - CVE-2016-1849 : an anonymous researcher 
- Siri - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: A person with physical access to an iOS device may be able to use Siri to access contacts and photos from the the lock screen - Description: A state management issue existed when accessing Siri results on the lock screen. This issue was addressed by disabling data detectors in Twitter results when the device is locked. - CVE-ID - CVE-2016-1852 : videosdebarraquito 
- WebKit - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Visiting a malicious website may disclose data from another website - Description: An insufficient taint tracking issue in the parsing of svg images was addressed through improved taint tracking. - CVE-ID - CVE-2016-1858 : an anonymous researcher 
- WebKit - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: Multiple memory corruption issues were addressed through improved memory handling. - CVE-ID - CVE-2016-1854 : Anonymous working with Trend Micro's Zero Day Initiative - CVE-2016-1855 : Tongbo Luo and Bo Qu of Palo Alto Networks - CVE-2016-1856 : lokihardt working with Trend Micro's Zero Day Initiative - CVE-2016-1857 : Jeonghoon Shin@A.D.D and Liang Chen, Zhen Feng, wushi of KeenLab, Tencent working with Trend Micro's Zero Day Initiative 
- WebKit Canvas - Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: Multiple memory corruption issues were addressed through improved memory handling. - CVE-ID - CVE-2016-1859 : Liang Chen, wushi of KeenLab, Tencent working with Trend Micro's Zero Day Initiative 
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