CVE-2021-1875 - Apple iPhone OS, Apple Macos and Apple watchOS
Critical 7.8
A double free issue was addressed with improved memory management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted file may lead to heap corruption.
Affected software
Apple iPhone OS
Apple Macos
Apple watchOS
Apple Mac OS X
Apple Ipados
Apple Tvos