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A comment on IE8/9 crash with CSS only.

Re:IE8/9 crash with CSS only by lojack on Tuesday September 10, 2013 @10:33AM (#6360227)
This is most likely a hang and not a crash. The difference is a hang is highly unlikely to lead to anything exploitable and if its obscure enough, Microsoft will almost certainly not fix it in older versions of their browser.

I've found a similar one a few months back. Please note that this will also crash your browser...

https://gist.github.com/lojack/6510214

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Re:IE8/9 crash with CSS only by beeglebug on Tuesday September 10, 2013 @11:14AM (#6360491)
Looks very similar to the one I recreated a while ago, something to do with dotted borders and border-radius:

http://codepen.io/beeglebug/pen/ntLbv

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Re:IE8/9 crash with CSS only by jpitzo on Tuesday September 10, 2013 @02:47PM (#6362282)
Calc() will also crash IE9 when there's a bg image present (on focus)

http://jsfiddle.net/874Bq/2/

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