The issue was addressed with improved memory handling. This issue is fixed in watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, Safari 18.2, iOS 18.2 and iPadOS 18.2. Processing maliciously crafted web content may lead to memory corruption.

The issue was addressed with improved memory handling. This issue is fixed in watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, Safari 18.2, iOS 18.2 and iPadOS 18.2. Processing maliciously crafted web content may lead to an unexpected process crash.

A type confusion issue was addressed with improved memory handling. This issue is fixed in iPadOS 17.7.3, watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, Safari 18.2, iOS 18.2 and iPadOS 18.2. Processing maliciously crafted web content may lead to memory corruption.

The issue was addressed with improved checks. This issue is fixed in watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, Safari 18.2, iOS 18.2 and iPadOS 18.2. Processing maliciously crafted web content may lead to an unexpected process crash.

The issue was addressed with improved checks. This issue is fixed in iPadOS 17.7.3, watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, Safari 18.2, iOS 18.2 and iPadOS 18.2. Processing maliciously crafted web content may lead to an unexpected process crash.

The issue was addressed with improved routing of Safari-originated requests. This issue is fixed in macOS Sequoia 15.2, iOS 18.2 and iPadOS 18.2, Safari 18.2, iPadOS 17.7.3. On a device with Private Relay enabled, adding a website to the Safari Reading List may reveal the originating IP address to the website.

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1, visionOS 2.1, tvOS 18.1, iOS 18.1 and iPadOS 18.1, watchOS 11.1. Cookies belonging to one origin may be sent to another origin.

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, macOS Sequoia 15.1.1, iOS 18.1.1 and iPadOS 18.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

The issue was addressed with improved checks. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, macOS Sequoia 15.1.1, iOS 18.1.1 and iPadOS 18.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

The issue was addressed with improved checks. This issue is fixed in tvOS 18.1, iOS 18.1 and iPadOS 18.1, iOS 17.7.1 and iPadOS 17.7.1, watchOS 11.1, visionOS 2.1, macOS Sequoia 15.1, Safari 18.1. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

This issue was addressed through improved state management. This issue is fixed in iOS 17.7.1 and iPadOS 17.7.1, visionOS 2.1, iOS 18.1 and iPadOS 18.1, macOS Sequoia 15.1, Safari 18.1. An attacker may be able to misuse a trust relationship to download malicious content.

A custom URL scheme handling issue was addressed with improved input validation. This issue is fixed in Safari 18, iOS 17.7.1 and iPadOS 17.7.1, macOS Sequoia 15, watchOS 11, iOS 18 and iPadOS 18. Maliciously crafted web content may violate iframe sandboxing policy.

An issue in the handling of URL protocols was addressed with improved logic. This issue is fixed in tvOS 17.6, visionOS 1.3, Safari 17.6, watchOS 10.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6. A user may be able to bypass some web content restrictions.

The issue was addressed with improved checks. This issue is fixed in tvOS 17.6, visionOS 1.3, Safari 17.6, watchOS 10.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.

A cross-origin issue existed with "iframe" elements. This was addressed with improved tracking of security origins. This issue is fixed in Safari 18, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18 and iPadOS 18, tvOS 18. A malicious website may exfiltrate data cross-origin.

The issue was addressed with improved UI. This issue is fixed in Safari 18, macOS Sequoia 15. Visiting a malicious website may lead to address bar spoofing.

This issue was addressed through improved state management. This issue is fixed in Safari 18, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18 and iPadOS 18, tvOS 18. Processing maliciously crafted web content may lead to universal cross site scripting.

The issue was addressed with improved UI handling. This issue is fixed in macOS Sonoma 14.6, Safari 17.6, macOS Monterey 12.7.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to UI spoofing.

This issue was addressed through improved state management. This issue is fixed in macOS Sonoma 14.6, iOS 17.6 and iPadOS 17.6, Safari 17.6. Private Browsing tabs may be accessed without authentication.

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.