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Beware iPhone Users!


People are circulating a link i.e., crashsafari.com, on Facebook, Twitter and other social media platforms, which has potential to crash iPad, Macs or iPhone completely. If you click on this link, it will crash the Safari application and your Apple device will restart. This link is being spread via Twitter using a URL shortener, and users are tricked to click on the link.

This link generates a long and an increasing string of characters and then overloads text string in the address bar of Safari browser (Apple’s default browser). The code of CrashSafari is simple and includes:

  • Header Title that you will never see because browser crashes.
  • The small piece of JavaScript used to call HTML5 History API thousands of times in a loop, which causes Safari to freeze.

Safari struggles to process the long string which causes iPhone to heat up, crash and then reboot. Even, if you click on this link on Android device running Chrome on it, device will heat up and become sluggish.

Recommended for you: Vulnerability in iOS Allowed Hackers to Steal Cookies from Device

Laptops and desktops are affected too

Desktops and laptops are also affected by this bug, depending on system’s processing power. Clicking on the CrashSafari link on Mac will crash Safari showing “Application not responding”.  

It is harmless, but it will freeze Chrome and Safari browser and you will lose your open tabs. Importantly, this link works on the latest versions of Apple operating systems, iOS 9.2.1 and OS X 10.11.3.

So, it’s advised not to click on any sketchy-looking and short links if you are not sure about them.


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