Maliciously crafted video can freeze your iOS device
 

If you thought last year's iOS text crash bug was a headache, you'd better brace yourself. EverythingApplePro and other users have confirmed that at least one maliciously crafted video is guaranteed to trigger a memory leak and freeze iOS devices, ev...

https://www.engadget.com/2016/11/22/...s-ios-devices/