Luxembourg security specialists G-SEC have published details of a vulnerability in the majority of browsers which will either crash the browser or consume so much memory that it makes the computer virtually unusable. The trick is simple. Using JavaScript s DOM (Document Object Model), create a selection menu on the web page; a select element. Then assign to that select element s length attribute a very high value, as a result there is a continuous allocation of memory. Read the full story [The H Security].
Source: https://threatpost.com/new-dom-flaw-can-crash-ie-other-major-browsers-071609/72899/