iOS 16.7.3 and iPadOS 16.7.3

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

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iOS 16.7.3 and iPadOS 16.7.3

Released December 11, 2023

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