About the security content of iOS 16.7.3 and iPadOS 16.7.3

This document describes the security content of iOS 16.7.3 and iPadOS 16.7.3.

About Apple security updates

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iOS 16.7.3 and iPadOS 16.7.3

Released December 11, 2023

Accounts

Available for: iPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation

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

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Published Date: December 15, 2023