An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.
|apple:iphone_os||apple iphone os||14.6|
Apple macOS libFontParser TTF Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
About the security content of tvOS 14.6