S.Y

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 14.2 iPadOS versions prior to 14.2 macOS Big Sur versions prior to 11.0.1 **Description** An out-of-bounds write issue was addressed with improved input validation. Processing a maliciously crafted PDF may lead to arbitrary code execution. **Recommendations** For iOS versions prior to 14.2, update to iOS 14.2 or later. For iPadOS versions prior to 14.2, update to iPadOS 14.2 or later. For macOS Big Sur versions prior to 11.0.1, update to macOS Big Sur 11.0.1 or later.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to 11.0.1 watchOS versions prior to 7.0 iOS versions prior to 14.0 iPadOS versions prior to 14.0 macOS Catalina versions prior to 10.15.6 macOS Mojave versions prior to Security Update 2020-004 macOS High Sierra versions prior to Security Update 2020-004 tvOS versions prior to 14.0 **Description** A use after free issue was addressed with improved memory management, which may allow an application to execute arbitrary code with kernel privileges. **Recommendations** For macOS versions prior to 11.0.1, update to macOS Big Sur 11.0.1. For watchOS versions prior to 7.0, update to watchOS 7.0. For iOS versions prior to 14.0, update to iOS 14.0. For iPadOS versions prior to 14.0, update to iPadOS 14.0. For macOS Catalina versions prior to 10.15.6, update to macOS Catalina 10.15.6. For macOS Mojave versions prior to Security Update 2020-004, apply Security Update 2020-004. For macOS High Sierra versions prior to Security Update 2020-004, apply Security Update 2020-004. For tvOS versions prior to 14.0, update to tvOS 14.0.