About the security content of iOS 17.6 and iPadOS 17.6
This document describes the security content of iOS 17.6 and iPadOS 17.6.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place 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 17.6 and iPadOS 17.6
Released 29 July 2024
AppleMobileFileIntegrity
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an app may be able to bypass Privacy preferences
Description: a downgrade issue was addressed with additional code-signing restrictions.
CVE-2024-40774: Mickey Jin (@patch1t)
CoreGraphics
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing a maliciously crafted file may lead to unexpected app termination
Description: an out-of-bounds read issue was addressed with improved input validation.
CVE-2024-40799: D4m0n
CoreMedia
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing a maliciously crafted video file may lead to unexpected app termination
Description: an out-of-bounds write issue was addressed with improved input validation.
CVE-2024-27873: Amir Bazine and Karsten König of CrowdStrike Counter Adversary Operations
dyld
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication
Description: A race condition was addressed with additional validation.
CVE-2024-40815: w0wbox
Family Sharing
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th 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 data protection.
CVE-2024-40795: Csaba Fitzl (@theevilbit) of Kandji
ImageIO
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing an image may lead to a denial-of-service
Description: this is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Find out more about the issue and CVE-ID at cve.org.
CVE-2023-6277
CVE-2023-52356
ImageIO
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing a maliciously crafted file may lead to unexpected app termination
Description: an out-of-bounds read issue was addressed with improved input validation.
CVE-2024-40806: Yisumi
ImageIO
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing a maliciously crafted file may lead to unexpected app termination
Description: an out-of-bounds access issue was addressed with improved bounds checking.
CVE-2024-40777: Junsung Lee working with Trend Micro Zero Day Initiative, and Amir Bazine and Karsten König of CrowdStrike Counter Adversary Operations
ImageIO
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing a maliciously crafted file may lead to unexpected app termination
Description: An integer overflow was addressed with improved input validation.
CVE-2024-40784: Junsung Lee working with Trend Micro Zero Day Initiative, Gandalf4a
Kernel
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: a local attacker may be able to determine kernel memory layout
Description: an information disclosure issue was addressed with improved private data redaction for log entries.
CVE-2024-27863: CertiK SkyFall Team
Kernel
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: a local attacker may be able to cause unexpected system shutdown
Description: a type confusion issue was addressed with improved memory handling.
CVE-2024-40788: Minghao Lin and Jiaxun Zhu from Zhejiang University
libxpc
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an app may be able to bypass Privacy preferences
Description: a permissions issue was addressed with additional restrictions.
CVE-2024-40805
Phone
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an attacker with physical access may be able to use Siri to access sensitive user data
Description: A lock screen issue was addressed with improved state management.
CVE-2024-40813: Jacob Braun
Photos Storage
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: photos in the Hidden Photos Album may be viewed without authentication
Description: an authentication issue was addressed with improved state management.
CVE-2024-40778: Mateen Alinaghi
Sandbox
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an app may be able to bypass Privacy preferences
Description: this issue was addressed through improved state management.
CVE-2024-40824: Wojciech Regula of SecuRing (wojciechregula.blog), and Zhongquan Li (@Guluisacat) from Dawn Security Lab of JingDong
Sandbox
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an app may be able to access protected user data
Description: A path handling issue was addressed with improved validation.
CVE-2024-27871: Mickey Jin (@patch1t), Csaba Fitzl (@theevilbit) of Kandji and Zhongquan Li (@Guluisacat) of Dawn Security Lab of JingDong
Shortcuts
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: a shortcut may be able to use sensitive data with certain actions without prompting the user
Description: a logic issue was addressed with improved checks.
CVE-2024-40835: an anonymous researcher
CVE-2024-40836: an anonymous researcher
Shortcuts
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: A shortcut may be able to bypass internet permission requirements
Description: a logic issue was addressed with improved checks.
CVE-2024-40809: an anonymous researcher
CVE-2024-40812: an anonymous researcher
Shortcuts
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: A shortcut may be able to bypass internet permission requirements
Description: this issue was addressed by adding an additional prompt for user consent.
CVE-2024-40787: an anonymous researcher
Shortcuts
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an app may be able to access user-sensitive data
Description: this issue was addressed by removing the vulnerable code.
CVE-2024-40793: Kirin (@Pwnrin)
Siri
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an attacker may be able to view sensitive user information
Description: this issue was addressed through improved state management.
CVE-2024-40786: Bistrit Dahal
Siri
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an attacker with physical access may be able to use Siri to access sensitive user data
Description: this issue was addressed by restricting options offered on a locked device.
CVE-2024-40818: Bistrit Dahal and Srijan Poudel
Siri
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an attacker with physical access to a device may be able to access contacts from the Lock Screen
Description: this issue was addressed by restricting options offered on a locked device.
CVE-2024-40822: Srijan Poudel
VoiceOver
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: an attacker may be able to view restricted content from the Lock Screen
Description: the issue was addressed with improved checks.
CVE-2024-40829: Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain College of Technology Bhopal India
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing maliciously crafted web content may lead to an unexpected process crash
Description: a use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 273176
CVE-2024-40776: Huang Xilin of Ant Group Light-Year Security Lab
WebKit Bugzilla: 268770
CVE-2024-40782: Maksymilian Motyl
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing maliciously crafted web content may lead to an unexpected process crash
Description: An out-of-bounds read was addressed with improved bounds checking.
WebKit Bugzilla: 275431
CVE-2024-40779: Huang Xilin of Ant Group Light-Year Security Lab
WebKit Bugzilla: 275273
CVE-2024-40780: Huang Xilin of Ant Group Light-Year Security Lab
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: Processing maliciously crafted web content may lead to a cross-site scripting attack
Description: this issue was addressed with improved checks.
WebKit Bugzilla: 273805
CVE-2024-40785: Johan Carlsson (joaxcar)
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing maliciously crafted web content may lead to an unexpected process crash
Description: an out-of-bounds access issue was addressed with improved bounds checking.
CVE-2024-40789: Seunghyun Lee (@0x10n) of KAIST Hacking Lab working with Trend Micro Zero Day Initiative
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: processing maliciously crafted web content may lead to an unexpected process crash
Description: this is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Find out more about the issue and CVE-ID at cve.org.
WebKit Bugzilla: 274165
CVE-2024-4558
WebKit
Available for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later
Impact: Private Browsing tabs may be accessed without authentication
Description: this issue was addressed through improved state management.
WebKit Bugzilla: 275272
CVE-2024-40794: Matthew Butler
Additional recognition
AirDrop
We would like to acknowledge Linwz of DEVCORE for their assistance.
Screen Time
We would like to acknowledge Andreas Jaegersberger and Ro Achterberg for their assistance.
Entry added 19 August 2024
Settings
We would like to acknowledge Joshua Thomas for their assistance.
Shortcuts
We would like to acknowledge an anonymous researcher for their assistance.
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