APPLE-SA-12-11-2023-3 iOS 16.7.3 and iPadOS 16.7.3

iOS 16.7.3 and iPadOS 16.7.3 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT214034.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Accounts
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: An app may be able to access sensitive user data
Description: A privacy issue was addressed with improved private data
redaction for log entries.
CVE-2023-42919: Kirin (@Pwnrin)

AVEVideoEncoder
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: An app may be able to disclose kernel memory
Description: This issue was addressed with improved redaction of
sensitive information.
CVE-2023-42884: an anonymous researcher

Find My
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: An app may be able to read sensitive location information
Description: This issue was addressed with improved redaction of
sensitive information.
CVE-2023-42922: Wojciech Regula of SecuRing (wojciechregula.blog)

ImageIO
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: Processing an image may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
CVE-2023-42899: Meysam Firouzi @R00tkitSMM and Junsung Lee

Kernel
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: An app may be able to break out of its sandbox
Description: The issue was addressed with improved memory handling.
CVE-2023-42914: Eloi Benoist-Vanderbeken (@elvanderb) of Synacktiv
(@Synacktiv)

WebKit
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: Processing an image may lead to a denial-of-service
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 263349
CVE-2023-42883: Zoom Offensive Security Team

WebKit
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: Processing web content may lead to arbitrary code execution.
Apple is aware of a report that this issue may have been exploited
against versions of iOS before iOS 16.7.1.
Description: A memory corruption vulnerability was addressed with
improved locking.
WebKit Bugzilla: 265067
CVE-2023-42917: Clément Lecigne of Google’s Threat Analysis Group

WebKit
Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd
generation and later, iPad 5th generation and later, and iPad mini 5th
generation and later
Impact: Processing web content may disclose sensitive information. Apple
is aware of a report that this issue may have been exploited against
versions of iOS before iOS 16.7.1.
Description: An out-of-bounds read was addressed with improved input
validation.
WebKit Bugzilla: 265041
CVE-2023-42916: Clément Lecigne of Google’s Threat Analysis Group

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer’s Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/  iTunes and Software Update on the
device will automatically check Apple’s update server on its weekly
schedule. When an update is detected, it is downloaded and the option
to be installed is presented to the user when the iOS device is
docked. We recommend applying the update immediately if possible.
Selecting Don’t Install will present the option the next time you
connect your iOS device.  The automatic update process may take up to
a week depending on the day that iTunes or the device checks for
updates. You may manually obtain the update via the Check for Updates
button within iTunes, or the Software Update on your device.  To
check that the iPhone, iPod touch, or iPad has been updated:  *
Navigate to Settings * Select General * Select About. The version
after applying this update will be “iOS 16.7.3 and iPadOS 16.7.3”.
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.