APPLE-SA-10-10-2023-1 iOS 16.7.1 and iPadOS 16.7.1

iOS 16.7.1 and iPadOS 16.7.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213972.

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

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: A local attacker may be able to elevate their privileges. Apple
is aware of a report that this issue may have been actively exploited
against versions of iOS before iOS 16.6.
Description: The issue was addressed with improved checks.
CVE-2023-42824

WebRTC
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: A buffer overflow may result in arbitrary code execution
Description: The issue was addressed by updating to libvpx 1.13.1.
WebKit Bugzilla: 262365
CVE-2023-5217

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 16.7.1 and iPadOS 16.7.1”.
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.