A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. A non-privileged user may be able to modify restricted network settings.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

webkitgtk: Processing web content may lead to a denial-of-service

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing web content may lead to a denial-of-service.

webkitgtk: Processing maliciously crafted web content may lead to memory corruption

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.

webkitgtk: Processing maliciously crafted web content may lead to memory corruption

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.

webkitgtk: Processing maliciously crafted web content may lead to memory corruption

The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash

The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to an unexpected process crash.

A logging issue was addressed with improved data redaction. This issue is fixed in iPadOS 17.7.7, macOS Sequoia 15.5, macOS Sonoma 14.7.6, macOS Ventura 13.7.6. An app may be able to access associated usernames and websites in a user's iCloud Keychain.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

webkitgtk: A malicious website may exfiltrate data cross-origin

The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. A malicious website may exfiltrate data cross-origin.

webkitgtk: Processing maliciously crafted web content may lead to memory corruption

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to memory corruption.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 18.4 and iPadOS 18.4, iPadOS 17.7.7, macOS Sequoia 15.4, macOS Sonoma 14.7.6, macOS Ventura 13.7.6, tvOS 18.4, visionOS 2.4, watchOS 11.4. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

This issue was addressed through improved state management. This issue is fixed in iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS Ventura 13.7.5, tvOS 18.4, watchOS 11.4. An app may be able to access sensitive user data.

This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.4, macOS Sonoma 14.7.6, macOS Ventura 13.7.6, visionOS 2.5. An attacker may be able to turn on sharing of an iCloud folder without authentication.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.

A logging issue was addressed with improved data redaction. This issue is fixed in iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4, watchOS 11.4. An app may be able to access sensitive user data.

webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.