About the security content of tvOS 18

This document describes the security content of tvOS 18.

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 18

Game Center

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may be able to access user-sensitive data

Description: A file access issue was addressed with improved input validation.

CVE-2024-40850: Denis Tokarev (@illusionofcha0s)

ImageIO

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing a maliciously crafted file may lead to unexpected app termination

Description: An out-of-bounds read issue was addressed with improved input validation.

CVE-2024-27880: Junsung Lee

ImageIO

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing an image may lead to a denial-of-service

Description: An out-of-bounds access issue was addressed with improved bounds checking.

CVE-2024-44176: dw0r of ZeroPointer Lab working with Trend Micro Zero Day Initiative, an anonymous researcher

IOSurfaceAccelerator

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-2024-44169: Antonio Zekić

Kernel

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An app may gain unauthorized access to Bluetooth

Description: This issue was addressed through improved state management.

CVE-2024-44191: Alexander Heinrich, SEEMOO, DistriNet, KU Leuven (@vanhoefm), TU Darmstadt (@Sn0wfreeze) and Mathy Vanhoef

libxml2

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: An integer overflow was addressed through improved input validation.

CVE-2024-44198: OSS-Fuzz, Ned Williamson of Google Project Zero

mDNSResponder

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 logic error was addressed with improved error handling.

CVE-2024-44183: Olivier Levon

Model I/O

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing a maliciously crafted image may lead to a denial-of-service

Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

CVE-2023-5841

SceneKit

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing a maliciously crafted file may lead to unexpected app termination

Description: A buffer overflow was addressed with improved size validation.

CVE-2024-44144: 냥냥

WebKit

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: Processing maliciously crafted web content may lead to universal cross site scripting

Description: This issue was addressed through improved state management.

CVE-2024-40857: Ron Masas

WebKit

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: A malicious website may exfiltrate data cross-origin

Description: A cross-origin issue existed with "iframe" elements. This was addressed with improved tracking of security origins.

CVE-2024-44187: Narendra Bhati, Manager of Cyber Security at Suma Soft Pvt. Ltd, Pune (India)

Wi-Fi

Available for: Apple TV HD and Apple TV 4K (all models)

Impact: An attacker may be able to force a device to disconnect from a secure network

Description: An integrity issue was addressed with Beacon Protection.

CVE-2024-40856: Domien Schepers

Additional recognition

Kernel

We would like to acknowledge Braxton Anderson, Fakhri Zulkifli (@d0lph1n98) of PixiePoint Security for their assistance.

WebKit

We would like to acknowledge Avi Lumelsky of Oligo Security, Uri Katz of Oligo Security, Eli Grey (eligrey.com), Johan Carlsson (joaxcar) for their assistance.

Wi-Fi

We would like to acknowledge Antonio Zekic (@antoniozekic) and ant4g0nist, Tim Michaud (@TimGMichaud) of Moveworks.ai for their assistance.