I recently reported a core iOS bug that could remotely crash apps on certain iOS devices.
Interestingly the code was in a core component of iOS that Apple wrote to appease China 🇨🇳
In short, iOS will 'censor' Taiwanese flag emojis when the iDevice's region (or locale) is set to China. Unfortunately if the iDevice is in a "region-less" state this logic will trigger a crash:
The good news is that Apple has patched this bug (as CVE-2018-4290) in iOS 11.4.1:
And as always, mahalo for your ongoing support and patronage! <3