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 releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
tvOS 17.3
Released January 22, 2024
Apple Neural Engine
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2024-23212: Ye Zhang of Baidu Security
CoreCrypto
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An attacker may be able to decrypt legacy RSA PKCS#1 v1.5 ciphertexts without having the private key
Description: A timing side-channel issue was addressed with improvements to constant-time computation in cryptographic functions.
CVE-2024-23218: Clemens Lang
Kernel
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to execute arbitrary code with kernel privileges
Description: The issue was addressed with improved memory handling.
CVE-2024-23208: fmyy(@binary_fmyy) and lime From TIANGONG Team of Legendsec at QI-ANXIN Group
libxpc
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to cause a denial-of-service
Description: A permissions issue was addressed with additional restrictions.
CVE-2024-23201: Koh M. Nakagawa of FFRI Security, Inc. and an anonymous researcher
Entry added March 7, 2024
NSSpellChecker
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to access sensitive user data
Description: A privacy issue was addressed with improved handling of files.
CVE-2024-23223: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab)
Power Manager
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to corrupt coprocessor memory
Description: The issue was addressed with improved checks.
CVE-2024-27791: Pan ZhenPeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.
Entry added April 24, 2024
TCC
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to access user-sensitive data
Description: An issue was addressed with improved handling of temporary files.
CVE-2024-23215: Zhongquan Li (@Guluisacat)
Time Zone
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to view a user's phone number in system logs
Description: This issue was addressed with improved redaction of sensitive information.
CVE-2024-23210: Noah Roskin-Frazee and Prof. J. (ZeroClicks.ai Lab)
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: A maliciously crafted webpage may be able to fingerprint the user
Description: An access issue was addressed with improved access restrictions.
WebKit Bugzilla: 262699
CVE-2024-23206: an anonymous researcher
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: 266619
CVE-2024-23213: Wangtaiyu of Zhongfu info
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited.
Description: A type confusion issue was addressed with improved checks.
WebKit Bugzilla: 267134
CVE-2024-23222
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: A malicious website may cause unexpected cross-origin behavior
Description: A logic issue was addressed with improved checks.
WebKit Bugzilla: 265812
CVE-2024-23271: James Lee (@Windowsrcer)
Entry added April 24, 2024
Additional recognition
NetworkExtension
We would like to acknowledge Nils Rollshausen for their assistance.
Entry added April 24, 2024