CVE-2025-43302 is an out-of-bounds write vulnerability that was addressed by improved bounds checking in various Apple operating systems. The flaw could allow an application to cause unexpected system termination. The issue is fixed in multiple Apple OS versions including tvOS 26, macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7, iPadOS 18.7, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26, and iPadOS 26.