CVE-2021-30663 - Apple iPhone OS, Apple Macos and Apple Safari
Critical 8.8
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected software
Apple iPhone OS
Apple Macos
Apple Safari
Apple Ipados
Apple Tvos