About the security content of tvOS 9.1
This document describes the security content of tvOS 9.1.
For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.
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Where possible, CVE IDs are used to reference the vulnerabilities for further information.
To learn about other security updates, see Apple security updates.
tvOS 9.1
- AppleMobileFileIntegrity - Available for: Apple TV (4th generation) - Impact: A malicious application may be able to execute arbitrary code with system privileges - Description: An access control issue was addressed by preventing modification of access control structures. - CVE-ID - CVE-2015-7055 : Apple 
- Compression - Available for: Apple TV (4th generation) - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: An uninitialized memory access issue existed in zlib. This issue was addressed through improved memory initialization and additional validation of zlib streams. - CVE-ID - CVE-2015-7054 : j00ru 
- CoreGraphics - Available for: Apple TV (4th generation) - 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 through improved input validation. - CVE-ID - CVE-2015-7105 : John Villamil (@day6reak), Yahoo Pentest Team 
- CoreMedia Playback - Available for: Apple TV (4th generation) - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: Multiple memory corruption issues existed in the processing of malformed media files. These issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7074 - CVE-2015-7075 : Apple 
- Disk Images - Available for: Apple TV (4th generation) - Impact: A local user may be able to execute arbitrary code with kernel privileges - Description: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling. - CVE-ID - CVE-2015-7110 : Ian Beer of Google Project Zero 
- dyld - Available for: Apple TV (4th generation) - Impact: A malicious application may be able to execute arbitrary code with system privileges - Description: Multiple segment validation issues existed in dyld. These were addressed through improved environment sanitization. - CVE-ID - CVE-2015-7072 : Apple - CVE-2015-7079 : PanguTeam 
- ImageIO - Available for: Apple TV (4th generation) - Impact: Processing a maliciously crafted image may lead to arbitrary code execution - Description: A memory corruption issue existed in ImageIO. This issue was addressed through improved memory handling. - CVE-ID - CVE-2015-7053 : Apple 
- IOAcceleratorFamily - Available for: Apple TV (4th generation) - Impact: A malicious application may be able to execute arbitrary code with system privileges - Description: A memory corruption issue existed in IOAcceleratorFamily. This issue was addressed through improved memory handling. - CVE-ID - CVE-2015-7109 : Juwei Lin of TrendMicro 
- IOHIDFamily - Available for: Apple TV (4th generation) - Impact: A malicious application may be able to execute arbitrary code with system privileges - Description: Multiple memory corruption issues existed in IOHIDFamily API. These issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7111 : beist and ABH of BoB - CVE-2015-7112 : Ian Beer of Google Project Zero 
- IOKit SCSI - Available for: Apple TV (4th generation) - Impact: A malicious application may be able to execute arbitrary code with kernel privileges - Description: A null pointer dereference existed in the handling of a certain userclient type. This issue was addressed through improved validation. - CVE-ID - CVE-2015-7068 : Ian Beer of Google Project Zero 
- Kernel - Available for: Apple TV (4th generation) - Impact: A local application may be able to cause a denial of service - Description: Multiple denial of service issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7040 : Lufeng Li of Qihoo 360 Vulcan Team - CVE-2015-7041 : Lufeng Li of Qihoo 360 Vulcan Team - CVE-2015-7042 : Lufeng Li of Qihoo 360 Vulcan Team - CVE-2015-7043 : Tarjei Mandt (@kernelpool) 
- Kernel - Available for: Apple TV (4th generation) - Impact: A local user may be able to execute arbitrary code with kernel privileges - Description: Multiple memory corruption issues existed in the kernel. These issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7083 : Ian Beer of Google Project Zero - CVE-2015-7084 : Ian Beer of Google Project Zero 
- Kernel - Available for: Apple TV (4th generation) - Impact: A local user may be able to execute arbitrary code with kernel privileges - Description: An issue existed in the parsing of mach messages. This issue was addressed through improved validation of mach messages. - CVE-ID - CVE-2015-7047 : Ian Beer of Google Project Zero 
- libarchive - Available for: Apple TV (4th generation) - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: A memory corruption issue existed in the processing of archives. This issue was addressed through improved memory handling. - CVE-ID - CVE-2011-2895 : @practicalswift 
- libc - Available for: Apple TV (4th generation) - Impact: Processing a maliciously crafted package may lead to arbitrary code execution - Description: Multiple buffer overflows existed in the C standard library. These issues were addressed through improved bounds checking. - CVE-ID - CVE-2015-7038 : Brian D. Wells of E. W. Scripps, Narayan Subramanian of Symantec Corporation/Veritas LLC - CVE-2015-7039 : Maksymilian Arciemowicz (CXSECURITY.COM) - Entry updated March 3, 2017 
- libxml2 - Available for: Apple TV (4th generation) - Impact: Parsing a maliciously crafted XML document may lead to disclosure of user information - Description: A memory corruption issue existed in the parsing of XML files. This issue was addressed through improved memory handling. - CVE-ID - CVE-2015-7115 : Wei Lei and Liu Yang of Nanyang Technological University - CVE-2015-7116 : Wei Lei and Liu Yang of Nanyang Technological University 
- MobileStorageMounter - Available for: Apple TV (4th generation) - Impact: A malicious application may be able to execute arbitrary code with system privileges - Description: A timing issue existed in loading of the trust cache. This issue was addressed by validating the system environment before loading the trust cache. - CVE-ID - CVE-2015-7051 : PanguTeam 
- OpenGL - Available for: Apple TV (4th generation) - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: Multiple memory corruption issues existed in OpenGL. These issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7064 : Apple - CVE-2015-7065 : Apple 
- Security - Available for: Apple TV (4th generation) - Impact: A remote attacker may cause an unexpected application termination or arbitrary code execution - Description: A memory corruption issue existed in handling SSL handshakes. This issue was addressed through improved memory handling. - CVE-ID - CVE-2015-7073 : Benoit Foucher of ZeroC, Inc. 
- Security - Available for: Apple TV (4th generation) - Impact: Processing a maliciously crafted certificate may lead to arbitrary code execution - Description: Multiple memory corruption issues existed in the ASN.1 decoder. These issues were addressed through improved input validation - CVE-ID - CVE-2015-7059 : David Keeler of Mozilla - CVE-2015-7060 : Tyson Smith of Mozilla - CVE-2015-7061 : Ryan Sleevi of Google 
- Security - Available for: Apple TV (4th generation) - Impact: A malicious application may gain access to a user's Keychain items - Description: An issue existed in the validation of access control lists for keychain items. This issue was addressed through improved access control list checks. - CVE-ID - CVE-2015-7058 
- WebKit - Available for: Apple TV (4th generation) - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7048 : Apple - CVE-2015-7095 : Apple - CVE-2015-7096 : Apple - CVE-2015-7097 : Apple - CVE-2015-7098 : Apple - CVE-2015-7099 : Apple - CVE-2015-7100 : Apple - CVE-2015-7101 : Apple - CVE-2015-7102 : Apple - CVE-2015-7103 : Apple - CVE-2015-7104 : Apple 
- WebKit - Available for: Apple TV (4th generation) - Impact: Visiting a maliciously crafted website may lead to arbitrary code execution - Description: Multiple memory corruption issues existed in OpenGL. These issues were addressed through improved memory handling. - CVE-ID - CVE-2015-7066 : Tongbo Luo and Bo Qu of Palo Alto Networks 
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