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.
For more information about security, see the Apple Product Security page.
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)
Assets
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 modify protected parts of the file system
Description: An issue was addressed with improved handling of temporary files.
CVE-2023-42896: Mickey Jin (@patch1t)
Entry added March 22, 2024
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
CallKit
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: A remote attacker may be able to cause a denial-of-service
Description: This issue was addressed with improved checks
CVE-2023-42962: Aymane Chabat
Entry added March 22, 2024
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
IOUSBDeviceFamily
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 execute arbitrary code with kernel privileges
Description: A race condition was addressed with improved state handling.
CVE-2023-42974: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.
Entry added March 22, 2024
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)
Libsystem
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 protected user data
Description: A permissions issue was addressed by removing vulnerable code and adding additional checks.
CVE-2023-42893
Entry added March 22, 2024
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