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.
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in tvOS 18.4, Safari 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. Processing maliciously crafted web content may lead to an unexpected process crash.
The issue was addressed with improved input validation. This issue is fixed in Safari 18.4, visionOS 2.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. A malicious website may be able to claim WebAuthn credentials from another website that shares a registrable suffix.
A script imports issue was addressed with improved isolation. This issue is fixed in Safari 18.4, visionOS 2.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. Visiting a website may leak sensitive data.
This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. A download's origin may be incorrectly associated.
The issue was addressed with improved memory handling. This issue is fixed in watchOS 10.6, tvOS 17.6, Safari 17.6, macOS Sonoma 14.6, visionOS 1.3, iOS 17.6 and iPadOS 17.6. Processing web content may lead to a denial-of-service.
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in visionOS 2.3.2, iOS 18.3.2 and iPadOS 18.3.2, macOS Sequoia 15.3.2, Safari 18.3.1, watchOS 11.4, iPadOS 17.7.6, iOS 16.7.11 and iPadOS 16.7.11, iOS 15.8.4 and iPadOS 15.8.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).
The issue was addressed with improved checks. This issue is fixed in watchOS 11, macOS Sequoia 15, Safari 18, visionOS 2, iOS 18 and iPadOS 18, tvOS 18. Processing maliciously crafted web content may lead to an unexpected process crash.
A cookie management issue was addressed with improved state management. This issue is fixed in watchOS 11, macOS Sequoia 15, Safari 18, visionOS 2, iOS 18 and iPadOS 18, tvOS 18. A malicious website may exfiltrate data cross-origin.
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.4 and iPadOS 17.4, Safari 17.4, tvOS 17.4, watchOS 10.4, visionOS 1.1, macOS Sonoma 14.4. Processing web content may lead to a denial-of-service.