CVE-2024-54479 is a vulnerability fixed by improved checks in multiple Apple operating systems and Safari. The flaw could cause an unexpected process crash when processing maliciously crafted web content. It affects various Apple platforms including iPadOS, watchOS, visionOS, tvOS, macOS Sequoia, Safari, and iOS. The issue has been addressed in versions iPadOS 17.7.3 and 18.2, watchOS 11.2, visionOS 2.2, tvOS 18.2, macOS Sequoia 15.2, Safari 18.2, and iOS 18.2.