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 4
Released September 19, 2017
CFNetwork Proxies
Available for: All Apple Watch models
Impact: An attacker in a privileged network position may be able to cause a denial of service
Description: Multiple denial of service issues were addressed through improved memory handling.
CVE-2017-7083: Abhinav Bansal of Zscaler Inc.
Entry added September 25, 2017
CoreAudio
Available for: All Apple Watch models
Impact: An application may be able to read restricted memory
Description: An out-of-bounds read was addressed by updating to Opus version 1.1.4.
CVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend Micro
Entry added September 25, 2017
Kernel
Available for: All Apple Watch models
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-2017-7114: Alex Plaskett of MWR InfoSecurity
Entry added September 25, 2017
libc
Available for: All Apple Watch models
Impact: A remote attacker may be able to cause a denial-of-service
Description: A resource exhaustion issue in glob() was addressed through an improved algorithm.
CVE-2017-7086: Russ Cox of Google
Entry added September 25, 2017
libc
Available for: All Apple Watch models
Impact: An application may be able to cause a denial of service
Description: A memory consumption issue was addressed through improved memory handling.
CVE-2017-1000373
Entry added September 25, 2017
libexpat
Available for: All Apple Watch models
Impact: Multiple issues in expat
Description: Multiple issues were addressed by updating to version 2.2.1
CVE-2016-9063
CVE-2017-9233
Entry added September 25, 2017
Security
Available for: All Apple Watch models
Impact: A revoked certificate may be trusted
Description: A certificate validation issue existed in the handling of revocation data. This issue was addressed through improved validation.
CVE-2017-7080: an anonymous researcher, Sven Driemecker of adesso mobile solutions gmbh, an anonymous researcher, Rune Darrud (@theflyingcorpse) of Bærum kommune
Entry added September 25, 2017
SQLite
Available for: All Apple Watch models
Impact: Multiple issues in SQLite
Description: Multiple issues were addressed by updating to version 3.19.3.
CVE-2017-10989: found by OSS-Fuzz
CVE-2017-7128: found by OSS-Fuzz
CVE-2017-7129: found by OSS-Fuzz
CVE-2017-7130: found by OSS-Fuzz
Entry added September 25, 2017
SQLite
Available for: All Apple Watch models
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2017-7127: an anonymous researcher
Entry added September 25, 2017
Wi-Fi
Available for: All Apple Watch models
Impact: Malicious code executing on the Wi-Fi chip may be able to execute arbitrary code with kernel privileges on the application processor
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2017-7103: Gal Beniamini of Google Project Zero
CVE-2017-7105: Gal Beniamini of Google Project Zero
CVE-2017-7108: Gal Beniamini of Google Project Zero
CVE-2017-7110: Gal Beniamini of Google Project Zero
CVE-2017-7112: Gal Beniamini of Google Project Zero
Wi-Fi
Available for: All Apple Watch models
Impact: Malicious code executing on the Wi-Fi chip may be able to read restricted kernel memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2017-7116: Gal Beniamini of Google Project Zero
zlib
Available for: All Apple Watch models
Impact: Multiple issues in zlib
Description: Multiple issues were addressed by updating to version 1.2.11.
CVE-2016-9840
CVE-2016-9841
CVE-2016-9842
CVE-2016-9843
Entry added September 25, 2017
Additional recognition
Security
We would like to acknowledge Abhinav Bansal of Zscaler, Inc. for their assistance.