APPLE-SA-10-25-2023-7 tvOS 17.1

tvOS 17.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213987.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

mDNSResponder
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: A device may be passively tracked by its Wi-Fi MAC address
Description: This issue was addressed by removing the vulnerable code.
CVE-2023-42846: Talal Haj Bakry and Tommy Mysk of Mysk Inc. @mysk_co

WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 259836
CVE-2023-40447: 이준성(Junsung Lee) of Cross Republic

WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory
management.
WebKit Bugzilla: 259890
CVE-2023-41976: 이준성(Junsung Lee)

WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing web content may lead to arbitrary code execution
Description: A logic issue was addressed with improved checks.
WebKit Bugzilla: 260173
CVE-2023-42852: an anonymous researcher

Additional recognition

VoiceOver
We would like to acknowledge Abhay Kailasia (@abhay_kailasia) of Lakshmi
Narain College Of Technology Bhopal India for their assistance.

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

Apple TV will periodically check for software updates. Alternatively,
you may manually check for software updates by selecting "Settings ->
System -> Software Update -> Update Software." To check the current
version of software, select "Settings -> General -> About."
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/
-----BEGIN PGP SIGNATURE-----
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=b+on
-----END PGP SIGNATURE-----