CVE-2018-4398

Name of the Vulnerable Software and Affected Versions: iOS versions prior to 12.1 macOS Mojave versions prior to 10.14.1 tvOS versions prior to 12.1 watchOS versions prior to 5.1 iTunes versions prior to 12.9.1 iCloud for Windows versions prior to 7.8

Description: An issue existed in the method for determining prime numbers, which was addressed by using pseudorandom bases for testing of primes.

Recommendations: For iOS versions prior to 12.1, update to iOS 12.1 or later. For macOS Mojave versions prior to 10.14.1, update to macOS Mojave 10.14.1 or later. For tvOS versions prior to 12.1, update to tvOS 12.1 or later. For watchOS versions prior to 5.1, update to watchOS 5.1 or later. For iTunes versions prior to 12.9.1, update to iTunes 12.9.1 or later. For iCloud for Windows versions prior to 7.8, update to iCloud for Windows 7.8 or later.