-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2023-01-23-7 watchOS 9.3 watchOS 9.3 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT213599. AppleMobileFileIntegrity Available for: Apple Watch Series 4 and later Impact: An app may be able to access user-sensitive data Description: This issue was addressed by enabling hardened runtime. CVE-2023-23499: Wojciech Regula of SecuRing (wojciechregula.blog) ImageIO Available for: Apple Watch Series 4 and later Impact: Processing an image may lead to a denial-of-service Description: A memory corruption issue was addressed with improved state management. CVE-2023-23519: Yiğit Can YILMAZ (@yilmazcanyigit) Kernel Available for: Apple Watch Series 4 and later Impact: An app may be able to leak sensitive kernel state Description: The issue was addressed with improved memory handling. CVE-2023-23500: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd. (@starlabs_sg) Kernel Available for: Apple Watch Series 4 and later Impact: An app may be able to determine kernel memory layout Description: An information disclosure issue was addressed by removing the vulnerable code. CVE-2023-23502: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd. (@starlabs_sg) Kernel Available for: Apple Watch Series 4 and later Impact: An app may be able to execute arbitrary code with kernel privileges Description: The issue was addressed with improved memory handling. CVE-2023-23504: Adam Doupé of ASU SEFCOM Maps Available for: Apple Watch Series 4 and later Impact: An app may be able to bypass Privacy preferences Description: A logic issue was addressed with improved state management. CVE-2023-23503: an anonymous researcher Safari Available for: Apple Watch Series 4 and later Impact: Visiting a website may lead to an app denial-of-service Description: The issue was addressed with improved handling of caches. CVE-2023-23512: Adriatik Raci Screen Time Available for: Apple Watch Series 4 and later Impact: An app may be able to access information about a user’s contacts Description: A privacy issue was addressed with improved private data redaction for log entries. CVE-2023-23505: Wojciech Reguła of SecuRing (wojciechregula.blog) Weather Available for: Apple Watch Series 4 and later Impact: An app may be able to bypass Privacy preferences Description: The issue was addressed with improved memory handling. CVE-2023-23511: Wojciech Regula of SecuRing (wojciechregula.blog), an anonymous researcher WebKit Available for: Apple Watch Series 4 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: The issue was addressed with improved checks. WebKit Bugzilla: 245464 CVE-2023-23496: ChengGang Wu, Yan Kang, YuHao Hu, Yue Sun, Jiming Wang, JiKai Ren and Hang Shu of Institute of Computing Technology, Chinese Academy of Sciences WebKit Available for: Apple Watch Series 4 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: The issue was addressed with improved memory handling. WebKit Bugzilla: 248268 CVE-2023-23518: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE WebKit Bugzilla: 248268 CVE-2023-23517: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE Additional recognition Kernel We would like to acknowledge Nick Stenning of Replicate for their assistance. WebKit We would like to acknowledge Eliya Stein of Confiant for their assistance. Instructions on how to update your Apple Watch software are available at https://support.apple.com/kb/HT204641 To check the version on your Apple Watch, open the Apple Watch app on your iPhone and select "My Watch > General > About". Alternatively, on your watch, select "My Watch > General > About". All information is also posted on the Apple Security Updates web site: https://support.apple.com/en-us/HT201222. 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