This issue was addressed with improved data protection. This issue is fixed in iOS 18 and iPadOS 18. An app may be able to leak sensitive user information.

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security Improvements for iOS, iPadOS, and macOS, Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may bypass Same Origin Policy.

webkitgtk: A malicious website may be able to process restricted web content outside the sandbox

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.

webkitgtk: Loading a malicious iframe may lead to a cross-site scripting attack

A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4. Loading a malicious iframe may lead to a cross-site scripting attack.

Type confusion causes application crashes

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker may be able to cause unexpected app termination.

Apple iOS/Apple OS Permission Issue Allows User Fingerprinting

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.4 and iPadOS 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to fingerprint the user.

This issue was addressed through improved state management. This issue is fixed in iOS 18.1 and iPadOS 18.1. An attacker may be able to view restricted content from the lock screen.

Permissions Misconfiguration Allows Unauthorized Access to Protected User Data

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3. An app may be able to access protected user data.

The issue was addressed with improved checks. This issue is fixed in iOS 18 and iPadOS 18. An attacker with physical access may be able to access contacts from the lock screen.

Use‑After‑Free in Web Rendering Causes Process Crash

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.

Apple OS Permissions Issue Allowing Application Enumeration

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. An app may be able to enumerate a user's installed apps.

Physical Access Allows Sensitive Data Disclosure on Apple Devices

The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26.4, visionOS 26.4, watchOS 26.4. An attacker with physical access to a locked device may be able to view sensitive user information.

Privilege Escalation via Physical Access to iOS Device with Stolen Device Protection

The issue was addressed with improved checks. This issue is fixed in iOS 26.4 and iPadOS 26.4. An attacker with physical access to an iOS device with Stolen Device Protection enabled may be able to access biometrics-gated Protected Apps with the passcode.

The issue was addressed with improved bounds checks. This issue is fixed in iOS 17.7 and iPadOS 17.7, iOS 18 and iPadOS 18. An attacker may be able to cause unexpected app termination.

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

This issue was addressed through improved state management. This issue is fixed in iOS 18 and iPadOS 18. An attacker with physical access may be able to use Siri to access sensitive user data.

This issue was addressed through improved state management. This issue is fixed in iOS 17.5 and iPadOS 17.5. An attacker with physical access to a device may be able to disable Stolen Device Protection.

Directory Path Parsing Vulnerability Allowing Unintended Sensitive Data Access

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. An app may be able to access sensitive user data.

webkitgtk: A malicious website may be able to access script message handlers intended for other origins

A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.