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APPLE-SA-2022-05-16-1 iOS 15.5 and iPadOS 15.5

iOS 15.5 and iPadOS 15.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213258.

AppleAVD
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A use after free issue was addressed with improved
memory management.
CVE-2022-26702: an anonymous researcher

AppleGraphicsControl
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing a maliciously crafted image may lead to arbitrary
code execution
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2022-26751: Michael DePlante (@izobashi) of Trend Micro Zero Day
Initiative

AVEVideoEncoder
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2022-26736: an anonymous researcher
CVE-2022-26737: an anonymous researcher
CVE-2022-26738: an anonymous researcher
CVE-2022-26739: an anonymous researcher
CVE-2022-26740: an anonymous researcher

DriverKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code
with system privileges
Description: An out-of-bounds access issue was addressed with
improved bounds checking.
CVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de)

GPU Drivers
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2022-26744: an anonymous researcher

ImageIO
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A remote attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: An integer overflow issue was addressed with improved
input validation.
CVE-2022-26711: actae0n of Blacksun Hackers Club working with Trend
Micro Zero Day Initiative

IOKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A race condition was addressed with improved locking.
CVE-2022-26701: chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab

IOMobileFrameBuffer
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2022-26768: an anonymous researcher

IOSurfaceAccelerator
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2022-26771: an anonymous researcher

Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed with improved
validation.
CVE-2022-26714: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs
(@starlabs_sg)

Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A use after free issue was addressed with improved
memory management.
CVE-2022-26757: Ned Williamson of Google Project Zero

Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: An attacker that has already achieved kernel code execution
may be able to bypass kernel memory mitigations
Description: A memory corruption issue was addressed with improved
validation.
CVE-2022-26764: Linus Henze of Pinauten GmbH (pinauten.de)

Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious attacker with arbitrary read and write capability
may be able to bypass Pointer Authentication
Description: A race condition was addressed with improved state
handling.
CVE-2022-26765: Linus Henze of Pinauten GmbH (pinauten.de)

LaunchServices
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A sandboxed process may be able to circumvent sandbox
restrictions
Description: An access issue was addressed with additional sandbox
restrictions on third-party applications.
CVE-2022-26706: Arsenii Kostromin (0x3c3e)

libxml2
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A remote attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: A use after free issue was addressed with improved
memory management.
CVE-2022-23308

Notes
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing a large input may lead to a denial of service
Description: This issue was addressed with improved checks.
CVE-2022-22673: Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain
College Of Technology Bhopal

Safari Private Browsing
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious website may be able to track users in Safari
private browsing mode
Description: A logic issue was addressed with improved state
management.
CVE-2022-26731: an anonymous researcher

Security
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious app may be able to bypass signature validation
Description: A certificate parsing issue was addressed with improved
checks.
CVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de)

Shortcuts
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A person with physical access to an iOS device may be able to
access photos from the lock screen
Description: An authorization issue was addressed with improved state
management.
CVE-2022-26703: Salman Syed (@slmnsd551)

WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing maliciously crafted web content may lead to code
execution
Description: A memory corruption issue was addressed with improved
state management.
WebKit Bugzilla: 238178
CVE-2022-26700: ryuzaki

WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A use after free issue was addressed with improved
memory management.
WebKit Bugzilla: 236950
CVE-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua
wingtecher lab
WebKit Bugzilla: 237475
CVE-2022-26710: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua
wingtecher lab
WebKit Bugzilla: 238171
CVE-2022-26717: Jeonghoon Shin of Theori

WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
state management.
WebKit Bugzilla: 238183
CVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab
WebKit Bugzilla: 238699
CVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech

WebRTC
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: Video self-preview in a webRTC call may be interrupted if the
user answers a phone call
Description: A logic issue in the handling of concurrent media was
addressed with improved state handling.
WebKit Bugzilla: 237524
CVE-2022-22677: an anonymous researcher

Wi-Fi
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may disclose restricted memory
Description: A memory corruption issue was addressed with improved
validation.
CVE-2022-26745: an anonymous researcher

Wi-Fi
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved
state management.
CVE-2022-26760: 08Tc3wBB of ZecOps Mobile EDR Team

Wi-Fi
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A remote attacker may be able to cause a denial of service
Description: This issue was addressed with improved checks.
CVE-2015-4142: Kostya Kortchinsky of Google Security Team

Wi-Fi
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2
and later, iPad 5th generation and later, iPad mini 4 and later, and
iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code
with system privileges
Description: A memory corruption issue was addressed with improved
memory handling.
CVE-2022-26762: Wang Yu of Cyberserval

Additional recognition

AppleMobileFileIntegrity
We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing
for their assistance.

FaceTime
We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing
for their assistance.

WebKit
We would like to acknowledge James Lee, an anonymous researcher for
their assistance.

Wi-Fi
We would like to acknowledge 08Tc3wBB of ZecOps Mobile EDR Team for
their assistance.

This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/  iTunes and Software Update on the
device will automatically check Apple's update server on its weekly
schedule. When an update is detected, it is downloaded and the option
to be installed is presented to the user when the iOS device is
docked. We recommend applying the update immediately if possible.
Selecting Don't Install will present the option the next time you
connect your iOS device.  The automatic update process may take up to
a week depending on the day that iTunes or the device checks for
updates. You may manually obtain the update via the Check for Updates
button within iTunes, or the Software Update on your device.  To
check that the iPhone, iPod touch, or iPad has been updated:  *
Navigate to Settings * Select General * Select About. The version
after applying this update will be "iOS 15.5 and iPadOS 15.5".
All information is also posted on the Apple Security Updates
web site: https://support.apple.com/en-us/HT201222.

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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