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APPLE-SA-2022-12-13-9 Safari 16.2

Safari 16.2 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT213537.

WebKit
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: 245521
CVE-2022-42867: Maddie Stone of Google Project Zero

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory consumption issue was addressed with improved
memory handling.
WebKit Bugzilla: 245466
CVE-2022-46691: an anonymous researcher

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may bypass Same
Origin Policy
Description: A logic issue was addressed with improved state
management.
WebKit Bugzilla: 246783
CVE-2022-46692: KirtiKumar Anandrao Ramchandani

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may result in the
disclosure of process memory
Description: The issue was addressed with improved memory handling.
CVE-2022-42852: hazbinhotel working with Trend Micro Zero Day
Initiative

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory corruption issue was addressed with improved
input validation.
WebKit Bugzilla: 246942
CVE-2022-46696: Samuel Groß of Google V8 Security
WebKit Bugzilla: 247562
CVE-2022-46700: Samuel Groß of Google V8 Security

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 checks.
CVE-2022-46698: Dohyun Lee (@l33d0hyun) of SSD Secure Disclosure Labs
& DNSLab, Korea Univ.

WebKit
Available for: macOS Big Sur and macOS Monterey
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: 247420
CVE-2022-46699: Samuel Groß of Google V8 Security
WebKit Bugzilla: 244622
CVE-2022-42863: an anonymous researcher

WebKit
Available for: macOS Big Sur and macOS Monterey
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Apple is aware of a report that this issue
may have been actively exploited against versions of iOS released
before iOS 15.1.
Description: A type confusion issue was addressed with improved state
handling.
WebKit Bugzilla: 248266
CVE-2022-42856: Clément Lecigne of Google's Threat Analysis Group

Additional recognition

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

Safari 16.2 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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