About the security content of tvOS 11.2.1

This document describes the security content of tvOS 11.2.1.

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 updates page.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

Apple security documents reference vulnerabilities by CVE-ID when possible.

tvOS 11.2.1

Released December 13, 2017

HomeKit

Available for: Apple TV 4K and Apple TV (4th generation)

Impact: A remote attacker may be able to unexpectedly alter application state

Description: A message handling issue was addressed with improved input validation.

CVE-2017-13903: Tian Zhang

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners.

Published Date: Wed Dec 13 18:34:38 GMT 2017