A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 15.1, tvOS 15.1, iOS 15 and iPadOS 15, macOS Monterey 12.0.1, watchOS 8.1. Processing maliciously crafted web content may lead to code execution.

Description: A permissions issue was addressed with improved validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, tvOS 15.1, macOS Big Sur 11.6.2, watchOS 8.1, macOS Monterey 12.1. A malicious application may be able to bypass Privacy preferences.

Description: A permissions issue was addressed with improved validation. This issue is fixed in watchOS 7.6, tvOS 14.7, macOS Big Sur 11.5. A malicious application may be able to bypass certain Privacy preferences.

Description: A logic issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15, macOS Monterey 12.0.1. Turning off "Block all remote content" may not apply to all remote content types.

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.5. An application may be able to gain elevated privileges.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with system privileges.

An access issue was addressed with improved access restrictions. This issue is fixed in iOS 15 and iPadOS 15. An attacker in a privileged network position may be able to leak sensitive user information.

A permissions issue was addressed with improved validation. This issue is fixed in iOS 15.2 and iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1, tvOS 15.2. A malicious application may be able to read sensitive contact information.

The issue was addressed with improved permissions logic. This issue is fixed in iOS 14.6 and iPadOS 14.6. A user may be unable to fully delete 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 S/MIME issue existed in the handling of encrypted email. This issue was addressed by not automatically loading some MIME parts. This issue is fixed in iOS 15.2 and iPadOS 15.2. An attacker may be able to recover plaintext contents of an S/MIME-encrypted e-mail.

A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to elevate privileges.

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Monterey 12.0.1. A malicious application may be able to access local users' Apple IDs.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.

This issue was addressed with improved handling of file metadata. This issue is fixed in iOS 15.2 and iPadOS 15.2. A user in a FaceTime call may unexpectedly leak sensitive user information through Live Photos metadata.

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.2 and iPadOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

A logic issue was addressed with improved validation. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may bypass Gatekeeper checks.

Description: A permissions issue was addressed with improved validation. This issue is fixed in iOS 15.2 and iPadOS 15.2. A malicious application may be able to identify what other applications a user has installed.

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Monterey 12.1. A device may be passively tracked via BSSIDs.