MacRumors published a story that Apple has released iOS and iPadOS 14.4.1 with security fixes.
Apple Releases iOS and iPadOS 14.4.1 With Security Fixes
Apple today released iOS and iPadOS 14.4.1, minor security updates that comes more than a month after the release of the iOS 14.4 update.
Apple Releases iOS and iPadOS 14.4.1 With Security Fixes