With him iOS 13 release and its latest update, some iPhone and iPad models were left out of the list. This is a normal practice that occurs every time a new version of iOS arrives. This time affected devices like iPhone 6 and 6 Plus, and launched in 2014, as well as the first generation of iPad Air, released in 2013 and discontinued in 2016.

For these models and others it they are not compatible with iOS 13Apple has released iOS 12.4.2, which addresses the vulnerability reported by Google's Project Zero, where a remote attacker can cause an application to end unexpectedly or execute arbitrary code.

iOS 12.4.2

Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3 and iPad touch 6th generation

Impact: Remote attacker can cause application to end unexpectedly or execute arbitrary code

Description: Cross-border reading with enhanced input validation was included.

CVE-2019-8641: Samuel Grosch and Natalie Silvanovic from Google Project Zero

Apple also announced clock 5.3.2 for the Apple Watch Series 1 and Series 2, which eliminates the same vulnerability in the company's smart watches.

The update is a few megabytes and is currently available to those users with compatible devices.