About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
watchOS 9.3
Released January 23, 2023
AppleMobileFileIntegrity
Available for: Apple Watch Series 4 and later
Impact: An app may be able to bypass Privacy preferences
Description: This issue was addressed with improved checks to prevent unauthorized actions.
CVE-2023-32438: Csaba Fitzl (@theevilbit) of Offensive Security and Mickey Jin (@patch1t)
Entry added September 5, 2023
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)
Crash Reporter
Available for: Apple Watch Series 4 and later
Impact: A user may be able to read arbitrary files as root
Description: A race condition was addressed with additional validation.
CVE-2023-23520: Cees Elzinga
Entry added June 6, 2023
FontParser
Available for: Apple Watch Series 4 and later
Impact: Processing a font file 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 15.7.1.
Description: The issue was addressed with improved handling of caches.
CVE-2023-41990: Apple
Entry added September 8, 2023
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: Meysam Firouzi @R00tkitSMM of Mbition Mercedes-Benz Innovation Lab, Yiğit Can YILMAZ (@yilmazcanyigit), and jzhu working with Trend Micro Zero Day Initiative
Entry updated September 5, 2023
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), and Csaba Fitzl (@theevilbit) of Offensive Security
Entry updated June 6, 2023
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 web content may lead to arbitrary code execution
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 248885
CVE-2023-32393: Francisco Alonso (@revskills)
Entry added June 28, 2023
WebKit
Available for: Apple Watch Series 4 and later
Impact: An HTML document may be able to render iframes with sensitive user information
Description: This issue was addressed with improved iframe sandbox enforcement.
WebKit Bugzilla: 241753
CVE-2022-0108: Luan Herrera (@lbherrera_)
Entry added June 6, 2023
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
AppleMobileFileIntegrity
We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance.
Entry added June 6, 2023
Core Data
We would like to acknowledge Austin Emmitt (@alkalinesec), Senior Security Researcher at Trellix Advanced Research Center, for their assistance.
Entry added September 8, 2023
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.