An issue existed with the file paths used to store website data. The issue was resolved by improving how website data is stored. This issue is fixed in iOS 16. An unauthorized user may be able to access browsing history.
A S/MIME issue existed in the handling of encrypted email. This issue was addressed with improved selection of the encryption certificate. This issue is fixed in iOS 15.2 and iPadOS 15.2. A sender's email address may be leaked when sending an S/MIME encrypted email using a certificate with more than one email address.
A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1. An attacker may be able to track users through their IP address.
An information leakage was addressed with additional validation. This issue is fixed in visionOS 2.1, iOS 18.1 and iPadOS 18.1, macOS Sequoia 15.1, Safari 18.1. Private browsing may leak some browsing history.