Lei Sun

Name of the Vulnerable Software and Affected Versions: macOS versions prior to 11.2 Security Update versions prior to 2021-001 Catalina Security Update versions prior to 2021-001 Mojave Description: An out-of-bounds write issue was addressed with improved input validation. Processing a maliciously crafted image may lead to arbitrary code execution. Recommendations: For macOS versions prior to 11.2, update to macOS Big Sur 11.2. For Security Update versions prior to 2021-001 Catalina, apply Security Update 2021-001 Catalina. For Security Update versions prior to 2021-001 Mojave, apply Security Update 2021-001 Mojave.

**Name of the Vulnerable Software and Affected Versions** macOS Big Sur versions prior to 11.1 macOS Catalina versions prior to Security Update 2020-001 macOS Mojave versions prior to Security Update 2020-007 macOS Big Sur version 11.0.1 iOS versions prior to 14.2 iPadOS versions prior to 14.2 watchOS versions prior to 7.1 tvOS versions prior to 14.2 **Description** The issue is related to an out-of-bounds write that has been addressed with improved input validation. Processing a maliciously crafted image may lead to arbitrary code execution. **Recommendations** For macOS Big Sur versions prior to 11.1, update to macOS Big Sur 11.1 or later. For macOS Catalina versions prior to Security Update 2020-001, apply Security Update 2020-001 or later. For macOS Mojave versions prior to Security Update 2020-007, apply Security Update 2020-007 or later. For macOS Big Sur version 11.0.1, update to macOS Big Sur 11.1 or later. 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 watchOS versions prior to 7.1, update to watchOS 7.1 or later. For tvOS versions prior to 14.2, update to tvOS 14.2 or later.

**Name of the Vulnerable Software and Affected Versions** macOS Big Sur versions prior to 11.1 macOS Catalina versions prior to Security Update 2020-001 macOS Mojave versions prior to Security Update 2020-007 macOS Big Sur version 11.0.1 iOS versions prior to 14.2 iPadOS versions prior to 14.2 watchOS versions prior to 7.1 tvOS versions prior to 14.2 **Description** An out-of-bounds read issue was addressed with improved input validation. Processing a maliciously crafted image may lead to arbitrary code execution. **Recommendations** For macOS Big Sur versions prior to 11.1, update to macOS Big Sur 11.1 or later. For macOS Catalina versions prior to Security Update 2020-001, apply Security Update 2020-001 or later. For macOS Mojave versions prior to Security Update 2020-007, apply Security Update 2020-007 or later. For macOS Big Sur version 11.0.1, update to macOS Big Sur 11.1 or later. 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 watchOS versions prior to 7.1, update to watchOS 7.1 or later. For tvOS versions prior to 14.2, update to tvOS 14.2 or later.

**Name of the Vulnerable Software and Affected Versions** QEMU version 4.2.0 **Description** A MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference. **Recommendations** For QEMU version 4.2.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.