Oh, please. What is a standard text field class doing with the text inputted into it that would cause an entire app to crash? It's a ridiculous scenario.
Would you have the standard text field run in a separate process sandbox? Or not have standard widgets shared between apps? Or just try real hard to write code without bugs?
Uh, no - this is more of a "don't execute code in a textbox" thing.
Do you understand how the text box gets onto your screen?
Magick?
People act completely stupid when it comes to their OS. HOLY SHIT THERE'S A STANDARD TEXT FIELD CLASS?!?!?! APPLE IS DOOMZ0R3D!! Be a champ and submit these kind of things to your local devs and (as the super "hacker" posters say) carry on...