A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.3 and iPadOS 15.3, watchOS 8.4, tvOS 15.3, Security Update 2022-001 Catalina, macOS Monterey 12.2, macOS Big Sur 11.6.3. A malicious application may be able to execute arbitrary code with kernel privileges.
Published March 18, 2022.