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.
watchOS 3.1
Released October 24, 2016
AppleMobileFileIntegrity
Available for: All Apple Watch models
Impact: A signed executable may substitute code with the same team ID
Description: A validation issue existed in the handling of code signatures. This issue was addressed through additional validation.
CVE-2016-7584: Mark Mentovai and Boris Vidolov of Google Inc.
Entry added December 6, 2016
CoreGraphics
Available for: All Apple Watch models
Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved memory handling.
CVE-2016-4673: Marco Grassi (@marcograss) of KeenLab (@keen_lab), Tencent
FontParser
Available for: All Apple Watch models
Impact: Parsing a maliciously crafted font may disclose sensitive user information
Description: An out-of-bounds read was addressed through improved bounds checking.
CVE-2016-4660: Ke Liu of Tencent's Xuanwu Lab
FontParser
Available for: All Apple Watch models
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: A buffer overflow existed in the handling of font files. This issue was addressed through improved bounds checking.
CVE-2016-4688: Simon Huang of Alipay company, thelongestusernameofall@gmail.com
Entry added November 27, 2016
Kernel
Available for: All Apple Watch models
Impact: A local user may be able to cause an unexpected system termination or arbitrary code execution in the kernel
Description: Multiple input validation issues existed in MIG generated code. These issues were addressed through improved validation.
CVE-2016-4669: Ian Beer of Google Project Zero
Entry updated November 2, 2016
Kernel
Available for: All Apple Watch models
Impact: An application may be able to disclose kernel memory
Description: A validation issue was addressed through improved input sanitization.
CVE-2016-4680: Max Bazaliy of Lookout and in7egral
Kernel
Available for: All Apple Watch models
Impact: A local application may be able to execute arbitrary code with root privileges
Description: Multiple object lifetime issues existed when spawning new processes. These were addressed through improved validation.
CVE-2016-7613: Ian Beer of Google Project Zero
Entry added November 1, 2016
libarchive
Available for: All Apple Watch models
Impact: A malicious archive may be able to overwrite arbitrary files
Description: An issue existed within the path validation logic for symlinks. This issue was addressed through improved path sanitization.
CVE-2016-4679: Omer Medan of enSilo Ltd
libxpc
Available for: All Apple Watch models
Impact: An application may be able to execute arbitrary code with root privileges
Description: A logic issue was addressed through additional restrictions.
CVE-2016-4675: Ian Beer of Google Project Zero
Sandbox Profiles
Available for: All Apple Watch models
Impact: An application may be able to retrieve metadata of photo directories
Description: An access issue was addressed through additional sandbox restrictions on third party applications.
CVE-2016-4664: Razvan Deaconescu, Mihai Chiroiu (University POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi (TU Darmstadt)
Sandbox Profiles
Available for: All Apple Watch models
Impact: An application may be able to retrieve metadata of audio recording directories
Description: An access issue was addressed through additional sandbox restrictions on third party applications.
CVE-2016-4665: Razvan Deaconescu, Mihai Chiroiu (University POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi (TU Darmstadt)