Description: A memory corruption issue was addressed through improved memory handling.

CVE-2016-4673: Marco Grassi (@marcograss) of KeenLab (@keen_lab), ... An application may be able to disclose kernel memory

Description: A validation issue was addressed through improved ... to retrieve metadata of photo directories

Description: An access issue was addressed through additional sandbox restrictions on ... 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)

System Boot

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

About Apple SmartWatch Firmware:

Changing the SmartWatch’s firmware version can increase its overall performance and stability, enhance various applications or improve their auto-update methods, as well as bring several other changes that might be useful for your device.

So if you consider applying this release, make sure you have read and understood the installation steps, and back up all your important files from the device.

As with all Apple’s OSs, updates are expected and will make the overall experience even better, we are sure about that. Unlike Apple’s other iOS based devices which can update themselves with the Software Update feature, the Apple Watch is dependent on your iPhone to actually upgrade its firmware.

Your Apple Watch will update its OS with the help of iPhone’s Apple Watch app. Go to My Watch, tap ...