An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave macOS Big Sur 11.0.1 iOS 14.2 and iPadOS 14.2 watchOS 7.1 tvOS 14.2. Processing a maliciously crafted audio file may lead to arbitrary code execution.