CVE-2021-30789 - Apple watchOS, Apple Macos and Apple Mac OS X
Critical 7.8
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.
Affected software
Apple watchOS
Apple Macos
Apple Mac OS X
Apple iPhone OS
Apple Tvos