The internet has always produced ever more ingenious ways of ruining people's days, and now there's a a new bug going around social media.
It's called crashsafari.com which takes the form of a link that will crash almost any smartphone when opened, whether Android or iOS.
It works by typing thousands of characters into the address bar, taking up all your phone's memory and causing the browser to crash or the device to reset.
Currently social media users are busy spreading the link around in the guise of a short URL, so be careful what you click on.
There's no danger of any real lasting damage, but you will likely have to perform a reboot of your device before the browser will work again.
Have you been caught out by crashsafari.com? Let us know in the comments.