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.