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APPLE-SA-2022-10-27-15 Additional information for APPLE-SA-2022-10-24-7 Safari 16.1

Safari 16.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213495.

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Visiting a malicious website may lead to user interface
spoofing
Description: The issue was addressed with improved UI handling.
WebKit Bugzilla: 243693
CVE-2022-42799: Jihwan Kim (@gPayl0ad), Dohyun Lee (@l33d0hyun)

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A type confusion issue was addressed with improved
memory handling.
WebKit Bugzilla: 244622
CVE-2022-42823: Dohyun Lee (@l33d0hyun) of SSD Labs

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may disclose
sensitive user information
Description: A logic issue was addressed with improved state
management.
WebKit Bugzilla: 245058
CVE-2022-42824: Abdulrahman Alqabandi of Microsoft Browser
Vulnerability Research, Ryan Shin of IAAI SecLab at Korea University,
Dohyun Lee (@l33d0hyun) of DNSLab at Korea University

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may disclose
internal states of the app
Description: A correctness issue in the JIT was addressed with
improved checks.
WebKit Bugzilla: 242964
CVE-2022-32923: Wonyoung Jung (@nonetype_pwn) of KAIST Hacking Lab
Entry added October 27, 2022

WebKit PDF
Available for: macOS Big Sur and macOS Monterey
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: 242781
CVE-2022-32922: Yonghwi Jin (@jinmo123) at Theori working with Trend
Micro Zero Day Initiative

Additional recognition

WebKit
We would like to acknowledge Maddie Stone of Google Project Zero,
Narendra Bhati (@imnarendrabhati) of Suma Soft Pvt. Ltd., an
anonymous researcher for their assistance.

Safari 16.1 may be obtained from the Mac App Store.
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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