About the security content of tvOS 26.1
This document describes the security content of tvOS 26.1.
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 26.1
Released November 3, 2025
Apple Neural Engine
Available for: Apple TV 4K (2nd generation and later)
Impact: An app may be able to cause unexpected system termination or corrupt kernel memory
Description: The issue was addressed with improved memory handling.
CVE-2025-43462: an anonymous researcher
AppleMobileFileIntegrity
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to access protected user data
Description: This issue was addressed with improved validation of symlinks.
CVE-2025-43379: Gergely Kalman (@gergely_kalman)
Assets
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to break out of its sandbox
Description: This issue was addressed with improved entitlements.
CVE-2025-43407: JZ
CloudKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to break out of its sandbox
Description: This issue was addressed with improved validation of symlinks.
CVE-2025-43448: Hikerell (Loadshine Lab)
CoreServices
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to enumerate a user's installed apps
Description: A permissions issue was addressed with additional restrictions.
CVE-2025-43436: Zhongcheng Li from IES Red Team of ByteDance
CoreText
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2025-43445: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative
FontParser
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2025-43400: Apple
Installer
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to fingerprint the user
Description: A permissions issue was addressed with additional restrictions.
CVE-2025-43444: Zhongcheng Li from IES Red Team of ByteDance
Kernel
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to cause unexpected system termination
Description: The issue was addressed with improved memory handling.
CVE-2025-43398: Cristian Dinca (icmd.tech)
libxpc
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: A sandboxed app may be able to observe system-wide network connections
Description: An access issue was addressed with additional sandbox restrictions.
CVE-2025-43413: Dave G. and Alex Radocea of supernetworks.org
MallocStackLogging
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to access sensitive user data
Description: An issue existed in the handling of environment variables. This issue was addressed with improved validation.
CVE-2025-43294: Gergely Kalman (@gergely_kalman)
Model I/O
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory
Description: An out-of-bounds access issue was addressed with improved bounds checking.
CVE-2025-43386: Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative
CVE-2025-43385: Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative
CVE-2025-43384: Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative
CVE-2025-43383: Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: A malicious website may exfiltrate data cross-origin
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 276208
CVE-2025-43480: Aleksejs Popovs
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed through improved state management.
WebKit Bugzilla: 296693
CVE-2025-43458: Phil Beauvoir
WebKit Bugzilla: 298196
CVE-2025-43430: Google Big Sleep
WebKit Bugzilla: 298628
CVE-2025-43427: Gary Kwong, rheza (@ginggilBesel)
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed with improved checks.
WebKit Bugzilla: 299843
CVE-2025-43443: an anonymous researcher
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 298496
CVE-2025-43441: rheza (@ginggilBesel)
WebKit Bugzilla: 299391
CVE-2025-43435: Justin Cohen of Google
WebKit Bugzilla: 298851
CVE-2025-43425: an anonymous researcher
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: This issue was addressed with improved checks
WebKit Bugzilla: 298126
CVE-2025-43440: Nan Wang (@eternalsakura13)
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 298093
CVE-2025-43433: Google Big Sleep
WebKit Bugzilla: 298194
CVE-2025-43431: Google Big Sleep
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A use-after-free issue was addressed with improved memory management.
WebKit Bugzilla: 299313
CVE-2025-43432: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative
WebKit
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: A buffer overflow was addressed with improved bounds checking.
WebKit Bugzilla: 298232
CVE-2025-43429: Google Big Sleep
WebKit Canvas
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: A website may exfiltrate image data cross-origin
Description: The issue was addressed with improved handling of caches.
WebKit Bugzilla: 297566
CVE-2025-43392: Tom Van Goethem
Additional recognition
MobileInstallation
We would like to acknowledge Bubble Zhang for their assistance.
WebKit
We would like to acknowledge Enis Maholli (enismaholli.com), Google Big Sleep for their assistance.
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