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About the security content of tvOS 14.6

Description

# About the security content of tvOS 14.6 This document describes the security content of tvOS 14.6. ## 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](<https://support.apple.com/kb/HT201222>) page. Apple security documents reference vulnerabilities by [CVE-ID](<http://cve.mitre.org/about/>) when possible. For more information about security, see the [Apple Product Security](<https://support.apple.com/kb/HT201220>) page. ## tvOS 14.6 Released May 24, 2021 **Audio** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30707: hjy79425575 working with Trend Micro Zero Day Initiative **Audio** Available for: Apple TV 4K and Apple TV HD Impact: Parsing a maliciously crafted audio file may lead to disclosure of user information Description: This issue was addressed with improved checks. CVE-2021-30685: Mickey Jin (@patch1t) of Trend Micro **CoreAudio** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted audio file may disclose restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30686: Mickey Jin of Trend Micro **CoreText** Available for: Apple TV 4K and Apple TV HD Impact: An out-of-bounds read was addressed with improved input validation Description: Processing a maliciously crafted font may result in the disclosure of process memory. CVE-2021-30753: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30733: Sunglin from the Knownsec 404 Entry added July 21, 2021 **Crash Reporter** Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to modify protected parts of the file system Description: A logic issue was addressed with improved state management. CVE-2021-30727: Cees Elzinga **CVMS** Available for: Apple TV 4K and Apple TV HD Impact: A local attacker may be able to elevate their privileges Description: This issue was addressed with improved checks. CVE-2021-30724: Mickey Jin (@patch1t) of Trend Micro **FontParser** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: An out-of-bounds write was addressed with improved input validation. CVE-2021-30771: Mickey Jin (@patch1t) of Trend Micro, CFF of Topsec Alpha Team Entry added January 19, 2022 **FontParser** Available for: Apple TV 4K and Apple TV HD Impact: An out-of-bounds read was addressed with improved input validation Description: Processing a maliciously crafted font may result in the disclosure of process memory. CVE-2021-30755: Xingwei Lin of Ant Security Light-Year Lab Entry added July 21, 2021 **Heimdal** Available for: Apple TV 4K and Apple TV HD Impact: A local user may be able to leak sensitive user information Description: A logic issue was addressed with improved state management. CVE-2021-30697: Gabe Kirkpatrick (@gabe_k) **Heimdal** Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may cause a denial of service or potentially disclose memory contents Description: A memory corruption issue was addressed with improved state management. CVE-2021-30710: Gabe Kirkpatrick (@gabe_k) **ImageIO** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted image may lead to disclosure of user information Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30687: Hou JingYi (@hjy79425575) of Qihoo 360 **ImageIO** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted image may lead to disclosure of user information Description: This issue was addressed with improved checks. CVE-2021-30700: Ye Zhang(@co0py_Cat) of Baidu Security **ImageIO** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30701: Mickey Jin (@patch1t) of Trend Micro and Ye Zhang of Baidu Security **ImageIO** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted ASTC file may disclose memory contents Description: This issue was addressed with improved checks. CVE-2021-30705: Ye Zhang of Baidu Security **ImageIO** Available for: Apple TV 4K and Apple TV HD Impact: This issue was addressed with improved checks Description: Processing a maliciously crafted image may lead to disclosure of user information. CVE-2021-30706: Anonymous working with Trend Micro Zero Day Initiative, Jzhu working with Trend Micro Zero Day Initiative Entry added July 21, 2021 **Kernel** Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A logic issue was addressed with improved validation. CVE-2021-30740: Linus Henze (pinauten.de) **Kernel** Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A logic issue was addressed with improved state management. CVE-2021-30704: an anonymous researcher **Kernel** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted message may lead to a denial of service Description: A logic issue was addressed with improved state management. CVE-2021-30715: The UK's National Cyber Security Centre (NCSC) **Kernel** Available for: Apple TV 4K and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow was addressed with improved size validation. CVE-2021-30736: Ian Beer of Google Project Zero **Kernel** Available for: Apple TV 4K and Apple TV HD Impact: A double free issue was addressed with improved memory management Description: An application may be able to execute arbitrary code with kernel privileges. CVE-2021-30703: an anonymous researcher Entry added July 21, 2021 **LaunchServices** Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to break out of its sandbox Description: This issue was addressed with improved environment sanitization. CVE-2021-30677: Ron Waisberg (@epsilan) **Security** Available for: Apple TV 4K and Apple TV HD Impact: Processing a maliciously crafted certificate may lead to arbitrary code execution Description: A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. CVE-2021-30737: xerub **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. Description: A memory corruption issue was addressed with improved state management. CVE-2021-30665: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A cross-origin issue with iframe elements was addressed with improved tracking of security origins. CVE-2021-30744: Dan Hite of jsontop **WebKit** 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-2021-21779: Marcin Towalski of Cisco Talos **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to leak sensitive user information Description: A logic issue was addressed with improved restrictions. CVE-2021-30682: an anonymous researcher and 1lastBr3ath **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to universal cross site scripting Description: A logic issue was addressed with improved state management. CVE-2021-30689: an anonymous researcher **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2021-30749: an anonymous researcher and mipu94 of SEFCOM lab, ASU. working with Trend Micro Zero Day Initiative CVE-2021-30734: Jack Dates of RET2 Systems, Inc. (@ret2systems) working with Trend Micro Zero Day Initiative **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: A malicious website may be able to access restricted ports on arbitrary servers Description: A logic issue was addressed with improved restrictions. CVE-2021-30720: David Schütz (@xdavidhu) **WebKit** Available for: Apple TV 4K and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. Description: An integer overflow was addressed with improved input validation. CVE-2021-30663: an anonymous researcher ## Additional recognition **ImageIO** We would like to acknowledge Jzhu working with Trend Micro Zero Day Initiative and an anonymous researcher for their assistance. **WebKit** We would like to acknowledge Chris Salls (@salls) of Makai Security for their assistance. 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. [Contact the vendor](<http://support.apple.com/kb/HT2693>) for additional information. Published Date: November 03, 2023


Affected Software


CPE Name Name Version
tvos 14.6

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