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APPLE-SA-2016-01-19-1 iOS 9.2.1

iOS 9.2.1 is now available and addresses the following:

Disk Images
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user 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-2016-1717 : Frank Graziano of Yahoo! Pentest Team

IOHIDFamily
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute arbitrary code with
kernel privileges
Description:  A memory corruption issue existed in an IOHIDFamily
API. This issue was addressed through improved memory handling.
CVE-ID
CVE-2016-1719 : Ian Beer of Google Project Zero

IOKit
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute arbitrary code with
kernel privileges
Description:  A memory corruption issue was addressed through
improved memory handling.
CVE-ID
CVE-2016-1720 : Ian Beer of Google Project Zero

Kernel
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute arbitrary code with
kernel privileges
Description:  A memory corruption issue was addressed through
improved memory handling.
CVE-ID
CVE-2016-1721 : Ian Beer of Google Project Zero and Ju Zhu of Trend
Micro

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 type confusion issue existed in libxslt. This issue
was addressed through improved memory handling.
CVE-ID
CVE-2015-7995 : puzzor

syslog
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A local user may be able to execute arbitrary code with root
privileges
Description:  A memory corruption issue was addressed through
improved memory handling.
CVE-ID
CVE-2016-1722 : Joshua J. Drake and Nikias Bassen of Zimperium zLabs

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 existed in WebKit.
These issues were addressed through improved memory handling.
CVE-ID
CVE-2016-1723 : Apple
CVE-2016-1724 : Apple
CVE-2016-1725 : Apple
CVE-2016-1726 : Apple
CVE-2016-1727 : Apple

WebKit CSS
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  Websites may know if the user has visited a given link
Description:  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-ID
CVE-2016-1728 : an anonymous researcher coordinated via Joe Vennix

WebSheet
Available for:  iPhone 4s and later,
iPod touch (5th generation) and later, iPad 2 and later
Impact:  A malicious captive portal may be able to access the user's
cookies
Description:  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-ID
CVE-2016-1730 : Adi Sharabani and Yair Amit of Skycure

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