An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.3 macOS Big Sur 11.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave iOS 14.3 and iPadOS 14.3 iCloud for Windows 12.0 watchOS 7.2. Processing a maliciously crafted image may lead to arbitrary code execution.