About the security content of iOS 9.2.1
This document describes the security content of iOS 9.2.1.
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 9.2.1
- Disk ImagesAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: A local user may be able to execute arbitrary code with kernel privilegesDescription: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling.CVE-IDCVE-2016-1717 : Frank Graziano of Yahoo! Pentest Team
- IOHIDFamilyAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: A local user may be able to execute arbitrary code with kernel privilegesDescription: A memory corruption issue existed in an IOHIDFamily API. This issue was addressed through improved memory handling.CVE-IDCVE-2016-1719 : Ian Beer of Google Project Zero
- IOKitAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: A local user may be able to execute arbitrary code with kernel privilegesDescription: A memory corruption issue was addressed through improved memory handling.CVE-IDCVE-2016-1720 : Ian Beer of Google Project Zero
- KernelAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: A local user may be able to execute arbitrary code with kernel privilegesDescription: A memory corruption issue was addressed through improved memory handling.CVE-IDCVE-2016-1721 : Ian Beer of Google Project Zero and Ju Zhu of Trend Micro
- libxsltAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: Visiting a maliciously crafted website may lead to arbitrary code executionDescription: A type confusion issue existed in libxslt. This issue was addressed through improved memory handling.CVE-IDCVE-2015-7995 : puzzor
- syslogAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: A local user may be able to execute arbitrary code with root privilegesDescription: A memory corruption issue was addressed through improved memory handling.CVE-IDCVE-2016-1722 : Joshua J. Drake and Nikias Bassen of Zimperium zLabs
- WebKitAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: Visiting a maliciously crafted website may lead to arbitrary code executionDescription: Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.CVE-IDCVE-2016-1723 : AppleCVE-2016-1724 : AppleCVE-2016-1725 : AppleCVE-2016-1726 : AppleCVE-2016-1727 : Apple
- WebKit CSSAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: Websites may know if the user has visited a given linkDescription: A privacy issue existed in the handling of the "a:visited button" CSS selector when evaluating the containing element's height. This was addressed through improved validation.CVE-IDCVE-2016-1728 : an anonymous researcher coordinated via Joe Vennix
- WebSheetAvailable for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and laterImpact: A malicious captive portal may be able to access the user's cookiesDescription: An issue existed that allowed some captive portals to read or write cookies. The issue was addressed through an isolated cookie store for all captive portals.CVE-IDCVE-2016-1730 : Adi Sharabani and Yair Amit of Skycure
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