About the security content of tvOS 14.3 - Apple Support

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.

tvOS 14.3

Released December 14, 2020

CoreAudio

Available for: Apple TV 4K and Apple TV HD

Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution

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

CVE-2020-27948: JunDong Xie of Ant Security Light-Year Lab

FontParser

Available for: Apple TV 4K and Apple TV HD

Impact: Processing a maliciously crafted font may result in the disclosure of process memory

Description: An information disclosure issue was addressed with improved state management.

CVE-2020-27946: Mateusz Jurczyk of Google Project Zero

FontParser

Available for: Apple TV 4K and Apple TV HD

Impact: Processing a maliciously crafted font file may lead to arbitrary code execution

Description: A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation.

CVE-2020-27943: Mateusz Jurczyk of Google Project Zero

CVE-2020-27944: Mateusz Jurczyk of Google Project Zero

CVE-2020-29624: Mateusz Jurczyk of Google Project Zero

Entry updated December 22, 2020

ImageIO

Available for: Apple TV 4K and Apple TV HD

Impact: Processing a maliciously crafted image may lead to heap corruption

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

CVE-2020-29617: XingWei Lin of Ant Security Light-Year Lab

CVE-2020-29619: XingWei Lin of Ant Security Light-Year Lab

ImageIO

Available for: Apple TV 4K and Apple TV HD

Impact: Processing a maliciously crafted image may lead to arbitrary code execution

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

CVE-2020-29618: XingWei Lin of Ant Security Light-Year Lab

ImageIO

Available for: Apple TV 4K and Apple TV HD

Impact: Processing a maliciously crafted image may lead to arbitrary code execution

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

CVE-2020-29611: Alexandru-Vlad Niculae working with Google Project Zero

Entry updated December 17, 2020

WebRTC

Available for: Apple TV 4K and Apple TV HD

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A use after free issue was addressed with improved memory management.

CVE-2020-15969: an anonymous researcher