A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

MISC:https://support.apple.com/kb/HT211288 | URL:https://support.apple.com/kb/HT211288 | MISC:https://support.apple.com/kb/HT211289 | URL:https://support.apple.com/kb/HT211289 | MISC:https://support.apple.com/kb/HT211291 | URL:https://support.apple.com/kb/HT211291