About the security content of iOS 16.6 and iPadOS 16.6
This document describes the security content of iOS 16.6 and iPadOS 16.6.
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 16.6 and iPadOS 16.6
Released July 24, 2023
Accessibility
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: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-40442: Nick Brook
Entry added October 31, 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 read sensitive location information
Description: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-40439: Kirin (@Pwnrin)
Entry added October 31, 2023
Apple Neural Engine
Available for devices with Apple Neural Engine: iPhone 8 and later, iPad Pro (3rd generation) and later, iPad Air (3rd generation) and later, and iPad mini (5th generation)
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2023-34425: pattern-f (@pattern_F_) of Ant Security Light-Year Lab
CVE-2023-38136: Mohamed GHANNAM (@_simo36)
CVE-2023-38580: Mohamed GHANNAM (@_simo36)
Entry updated October 31, 2023
CFNetwork
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: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-40392: Wojciech Regula of SecuRing (wojciechregula.blog)
Entry added October 31, 2023
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: A privacy issue was addressed with improved private data redaction for log entries.
CVE-2023-40437: Kirin (@Pwnrin), and Wojciech Regula of SecuRing (wojciechregula.blog)
Entry added October 31, 2023
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: A logic issue was addressed with improved restrictions.
CVE-2023-32416: 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 a maliciously crafted image may lead to a denial of service
Description: The issue was addressed with improved memory handling.
CVE-2022-3970: found by OSS-Fuzz
Entry added October 31, 2023
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 remote user may be able to cause unexpected system termination or corrupt kernel memory
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2023-38590: Zweig of Kunlun Lab
Entry added July 27, 2023
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 execute arbitrary code with kernel privileges
Description: A use-after-free issue was addressed with improved memory management.
CVE-2023-38598: Mohamed GHANNAM (@_simo36)
Entry added July 27, 2023
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 execute arbitrary code with kernel privileges
Description: An integer overflow was addressed with improved input validation.
CVE-2023-36495: 香农的三蹦子 of Pangu Lab
Entry added July 27, 2023
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 execute arbitrary code with kernel privileges
Description: An out-of-bounds write issue was addressed with improved input validation.
CVE-2023-38604: an anonymous researcher
Entry added July 27, 2023
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 execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2023-32734: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.
CVE-2023-32441: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs SG Pte. Ltd.
CVE-2023-38261: an anonymous researcher
CVE-2023-38424: Certik Skyfall Team
CVE-2023-38425: Certik Skyfall Team
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 modify sensitive kernel state. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.
Description: This issue was addressed with improved state management.
CVE-2023-38606: Valentin Pashkov, Mikhail Vinogradov, Georgy Kucherin (@kucher1n), Leonid Bezvershenko (@bzvr_), and Boris Larin (@oct0xor) of Kaspersky
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 execute arbitrary code with kernel privileges
Description: A use-after-free issue was addressed with improved memory management.
CVE-2023-32381: an anonymous researcher
CVE-2023-32433: Zweig of Kunlun Lab
CVE-2023-35993: Kaitao Xie and Xiaolong Bai of Alibaba Group
CVE-2023-41995: Certik Skyfall Team, pattern-f (@pattern_F_) of Ant Security Light-Year Lab
CVE-2023-38598: Mohamed GHANNAM (@_simo36)
Entry updated October 31, 2023
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 user may be able to elevate privileges
Description: The issue was addressed with improved checks.
CVE-2023-38410: an anonymous researcher
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 remote user may be able to cause a denial-of-service
Description: The issue was addressed with improved checks.
CVE-2023-38603: Zweig of Kunlun Lab
libpcap
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 remote user may cause an unexpected app termination or arbitrary code execution
Description: This issue was addressed with improved checks.
CVE-2023-40400: Sei K.
Entry added October 31, 2023
libxpc
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 gain root privileges
Description: A path handling issue was addressed with improved validation.
CVE-2023-38565: Zhipeng Huo (@R3dF09) of Tencent Security Xuanwu Lab (xlab.tencent.com)
libxpc
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 cause a denial-of-service
Description: A logic issue was addressed with improved checks.
CVE-2023-38593: Noah Roskin-Frazee
Logging
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: The issue was addressed with improved validation of environment variables.
CVE-2023-40394: Wojciech Regula of SecuRing (wojciechregula.blog)
Entry added October 31, 2023
NSURLSession
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 improvements to the file handling protocol.
CVE-2023-32437: Thijs Alkemade from Computest Sector 7
Weather
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 determine a user’s current location
Description: This issue was addressed with improved redaction of sensitive information.
CVE-2023-38605: Adam M.
Entry added October 31, 2023
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: A remote attacker may be able to cause arbitrary javascript code execution
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 257824
CVE-2023-40397: Johan Carlsson (joaxcar)
Entry added October 31, 2023
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: A website may be able to track sensitive user information
Description: A logic issue was addressed with improved state management.
WebKit Bugzilla: 257822
CVE-2023-38599: Hritvik Taneja, Jason Kim, Jie Jeff Xu, Stephan van Schaik, Daniel Genkin, and Yuval Yarom
Entry added July 27, 2023
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 a document may lead to a cross site scripting attack
Description: This issue was addressed with improved checks.
WebKit Bugzilla: 257299
CVE-2023-32445: Johan Carlsson (joaxcar)
Entry added July 27, 2023
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
Description: A logic issue was addressed with improved restrictions.
WebKit Bugzilla: 257331
CVE-2023-38592: Narendra Bhati (twitter.com/imnarendrabhati) of Suma Soft Pvt. Ltd, Pune - India, Valentino Dalla Valle, Pedro Bernardo, Marco Squarcina, and Lorenzo Veronese of TU Wien
Entry added July 27, 2023
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: A website may be able to bypass Same Origin Policy
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 256549
CVE-2023-38572: Narendra Bhati (twitter.com/imnarendrabhati) of Suma Soft Pvt. Ltd, Pune - India
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
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 256865
CVE-2023-38594: Yuhao Hu
WebKit Bugzilla: 256573
CVE-2023-38595: an anonymous researcher, Jiming Wang, and Jikai Ren
WebKit Bugzilla: 257387
CVE-2023-38600: Anonymous working with Trend Micro Zero Day Initiative
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
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 258058
CVE-2023-38611: Francisco Alonso (@revskills)
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 actively exploited.
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 259231
CVE-2023-37450: an anonymous researcher
This issue was first addressed in Rapid Security Response iOS 16.5.1 (c) and iPadOS 16.5.1 (c).
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
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 257684
CVE-2023-42866: Francisco Alonso (@revskills) and Junsung Lee
Entry added December 21, 2023
WebKit Process Model
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
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 258100
CVE-2023-38597: 이준성(Junsung Lee) of Cross Republic
WebKit Web Inspector
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
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 256932
CVE-2023-38133: YeongHyeon Choi (@hyeon101010)
Additional recognition
We would like to acknowledge Parvez Anwar for their assistance.
Screenshots
We would like to acknowledge Dametto Luca, Casati Jacopo, Eric Williams (@eric5310pub), and Yannik Bloscheck (yannikbloscheck.com) for their assistance.
Entry added October 31, 2023
WebKit
We would like to acknowledge Narendra Bhati (@imnarendrabhati) of Suma Soft Pvt. Ltd. India for their assistance.
Entry added October 31, 2023
WebKit
We would like to acknowledge Narendra Bhati (twitter.com/imnarendrabhati) of Suma Soft Pvt. Ltd, Pune - India for their assistance.
Entry added July 27, 2023
WebRTC
We would like to acknowledge an anonymous researcher for their assistance.
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