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About the security content of tvOS 11.3

Description

# About the security content of tvOS 11.3 This document describes the security content of tvOS 11.3. ## 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. For more information about security, see the [Apple Product Security](<https://support.apple.com/kb/HT201220>) page. You can encrypt communications with Apple using the [Apple Product Security PGP Key](<https://support.apple.com/kb/HT201601>). Apple security documents reference vulnerabilities by [CVE-ID](<http://cve.mitre.org/about/>) when possible. ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## tvOS 11.3 Released March 29, 2018 **CoreFoundation** Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4155: Samuel Groß (@5aelo) **CoreText** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing a maliciously crafted string may lead to a denial of service Description: A denial of service issue was addressed with improved memory handling. CVE-2018-4142: Robin Leroy of Google Switzerland GmbH Entry updated November 16, 2018 **File System Events** Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4167: Samuel Groß (@5aelo) **Kernel** Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4150: an anonymous researcher **Kernel** Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2018-4104: The UK's National Cyber Security Centre (NCSC) **Kernel** Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4143: derrek (@derrekr6) **Kernel** Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to determine kernel memory layout Description: An information disclosure issue existed in the transition of program state. This issue was addressed with improved state handling. CVE-2018-4185: Brandon Azad Entry added July 19, 2018 **libxml2** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: A use after free issue was addressed with improved memory management. CVE-2017-15412: Nick Wellnhofer Entry added October 18, 2018 **NSURLSession** Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4166: Samuel Groß (@5aelo) **Quick Look** Available for: Apple TV 4K and Apple TV (4th generation) Impact: An application may be able to gain elevated privileges Description: A race condition was addressed with additional validation. CVE-2018-4157: Samuel Groß (@5aelo) **Security** Available for: Apple TV 4K and Apple TV (4th generation) Impact: A malicious application may be able to elevate privileges Description: A buffer overflow was addressed with improved size validation. CVE-2018-4144: Abraham Masri (@cheesecakeufo) **System Preferences** Available for: Apple TV 4K and Apple TV (4th generation) Impact: A configuration profile may incorrectly remain in effect after removal Description: An issue existed in CFPreferences. This issue was addressed with improved preferences cleanup. CVE-2018-4115: Johann Thalakada, Vladimir Zubkov, and Matt Vlasach of Wandera Entry updated November 16, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction with indexing types causing an ASSERT failure Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed through improved checks. CVE-2018-4113: found by OSS-Fuzz **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to a denial of service Description: A memory corruption issue was addressed through improved input validation. CVE-2018-4146: found by OSS-Fuzz **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4101: Yuan Deng of Ant-financial Light-Year Security Lab CVE-2018-4114: found by OSS-Fuzz CVE-2018-4118: Jun Kokatsu (@shhnjk) CVE-2018-4119: an anonymous researcher working with Trend Micro's Zero Day Initiative CVE-2018-4120: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team CVE-2018-4121: natashenka of Google Project Zero CVE-2018-4122: WanderingGlitch of Trend Micro’s Zero Day Initiative CVE-2018-4125: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4127: an anonymous researcher working with Trend Micro's Zero Day Initiative CVE-2018-4128: Zach Markley CVE-2018-4129: likemeng of Baidu Security Lab working with Trend Micro's Zero Day Initiative CVE-2018-4130: Omair working with Trend Micro's Zero Day Initiative CVE-2018-4161: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4162: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4163: WanderingGlitch of Trend Micro's Zero Day Initiative CVE-2018-4165: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: This issue was addressed with improved checks. CVE-2018-4207: found by OSS-Fuzz Entry added May 2, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: This issue was addressed with improved checks. CVE-2018-4208: found by OSS-Fuzz Entry added May 2, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: This issue was addressed with improved checks. CVE-2018-4209: found by OSS-Fuzz Entry added May 2, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction with indexing types caused a failure Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed with improved checks. CVE-2018-4210: found by OSS-Fuzz Entry added May 2, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: This issue was addressed with improved checks. CVE-2018-4212: found by OSS-Fuzz Entry added May 2, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Unexpected interaction causes an ASSERT failure Description: This issue was addressed with improved checks. CVE-2018-4213: found by OSS-Fuzz Entry added May 2, 2018 **WebKit** Available for: Apple TV 4K and Apple TV (4th generation) Impact: Processing maliciously crafted web content may lead to code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4145: found by OSS-Fuzz Entry added October 18, 2018 ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## Additional recognition **Security** We would like to acknowledge Abraham Masri (@cheesecakeufo) for their assistance. Entry added April 13, 2018 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: March 05, 2021


Affected Software


CPE Name Name Version
tvos 11.3

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