An information disclosure issue was addressed with improved state management. This issue is fixed in iOS 15.3 and iPadOS 15.3, tvOS 15.3, Security Update 2022-001 Catalina, macOS Monterey 12.2, macOS Big Sur 11.6.3. Processing a maliciously crafted STL file may lead to unexpected application termination or arbitrary code execution.
https://support.apple.com/en-us/103175
https://support.apple.com/en-us/103173
https://support.apple.com/en-us/103172
https://support.apple.com/en-us/102848
https://support.apple.com/en-us/HT213057
https://support.apple.com/en-us/HT213056
https://support.apple.com/en-us/HT213055