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.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released 26 September 2019
Available for: Apple Watch Series 1 and Apple Watch Series 2
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitisation.
CVE-2019-8641: Samuel Groß and Natalie Silvanovich of Google Project Zero
Entry updated 11 February 2020