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Name of the Vulnerable Software and Affected Versions: iOS versions prior to 14.5 iPadOS versions prior to 14.5 watchOS versions prior to 7.4 tvOS versions prior to 14.5 Description: A buffer overflow issue was addressed through improved bounds checking, allowing a malicious application to potentially execute arbitrary code with kernel privileges. Recommendations: For iOS versions prior to 14.5, update to iOS 14.5 or later. For iPadOS versions prior to 14.5, update to iPadOS 14.5 or later. For watchOS versions prior to 7.4, update to watchOS 7.4 or later. For tvOS versions prior to 14.5, update to tvOS 14.5 or later.

**Name of the Vulnerable Software and Affected Versions** macOS versions prior to 12.0.1 iOS versions prior to 15.1 iPadOS versions prior to 15.1 watchOS versions prior to 8.1 tvOS versions prior to 15.1 **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 12.0.1, update to macOS Monterey 12.0.1 or later. For iOS versions prior to 15.1, update to iOS 15.1 or later. For iPadOS versions prior to 15.1, update to iPadOS 15.1 or later. For watchOS versions prior to 8.1, update to watchOS 8.1 or later. For tvOS versions prior to 15.1, update to tvOS 15.1 or later.

Name of the Vulnerable Software and Affected Versions: macOS versions prior to 11.3 iOS versions prior to 14.5 iPadOS versions prior to 14.5 watchOS versions prior to 7.4 tvOS versions prior to 14.5 Description: A memory initialization issue was addressed with improved memory handling. This issue may allow a malicious application to disclose kernel memory. Recommendations: For macOS versions prior to 11.3, apply Security Update 2021-002 Catalina or Security Update 2021-003 Mojave, or update to macOS Big Sur 11.3. For iOS versions prior to 14.5, update to iOS 14.5. For iPadOS versions prior to 14.5, update to iPadOS 14.5. For watchOS versions prior to 7.4, update to watchOS 7.4. For tvOS versions prior to 14.5, update to tvOS 14.5.

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 watchOS versions prior to 7.3 tvOS versions prior to 14.4 iOS versions prior to 14.4 iPadOS versions prior to 14.4 Description: An application may be able to execute arbitrary code with kernel privileges due to multiple issues addressed with improved logic. 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. For watchOS versions prior to 7.3, update to watchOS 7.3. For tvOS versions prior to 14.4, update to tvOS 14.4. For iOS versions prior to 14.4, update to iOS 14.4. For iPadOS versions prior to 14.4, update to iPadOS 14.4.

**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 watchOS versions prior to 7.3 tvOS versions prior to 14.4 iOS versions prior to 14.4 iPadOS versions prior to 14.4 **Description** The issue is related to a race condition with improper synchronization, allowing a malicious application to potentially elevate privileges. Apple is aware of a report that this issue may have been actively exploited. **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. For watchOS versions prior to 7.3, update to watchOS 7.3. For tvOS versions prior to 14.4, update to tvOS 14.4. For iOS versions prior to 14.4, update to iOS 14.4. For iPadOS versions prior to 14.4, update to iPadOS 14.4.