Apple has updated its iOS and iPadOS operating systems, which addressed a wide range of flaws in its iPhone, iPad and iPod devices. The most severe of these could allow an adversary to exploit a privilege-escalation vulnerability against any of the devices and ultimately gain arbitrary code-execution. The Siri bug for instance allows a person with physical access to an iPhone to view notification contents from the lockscreen. In total, Apple addressed 11 bugs in products and components, including AppleAVD, Apple Keyboard, WebKit and Siri.
Source: https://threatpost.com/apple-bug-code-execution-iphone/159332/