A type confusion issue was addressed with improved checks. This issue is fixed in iPadOS 17.7.4, macOS Sonoma 14.7.3, visionOS 2.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, tvOS 18.3. A remote attacker may cause an unexpected application termination or arbitrary code execution.