Previously bugs in how iOS with how it handles certain unicode combining characters meant that an attacker could crash someone's iPhone just by sending a text.

Previously bugs in how iOS with how it handles certain unicode combining characters meant that an attacker could crash someone's iPhone just by sending a text. I'm not sure if it was buggy logic in the font. https://news.ycombinator.com/item?id=16386444 https://news.ycombinator.com/item?id=16386444