description: An issue existed in the method for determining prime numbers. This issue was addressed by using pseudorandom bases for testing of primes. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1, iCloud for Windows 7.8.
problem types: An attacker may be able to exploit a weakness in the Miller-Rabin primality test to incorrectly identify prime numbers
affected:
{
product: iOS, macOS, tvOS, watchOS,  iTunes for Windows, iCloud for Windows
vendor: n/a
versions:
status: affected, version: Versions prior to: iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1, iCloud for Windows 7.8
}