550595 - Firefox 3.6 hangs ( possible DoS ) with a lot of *> chars

Status: RESOLVED DUPLICATE of bug 548495

(Firefox :: General, defect)

Description

[Lostmon Lords]

User-Agent:       Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB6.4; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MS-RTC LM 8; Tablet PC 2.0) chromeframe/5.0.342.0
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; es-ES; rv:1.9.2) Gecko/20100115 Firefox/3.6

Firefox is hang wen open a pseudo malformed web page that contains a lot of *> chars

Reproducible: Always

Steps to Reproduce:
1.open the malformed doc wait a seconds
2.try to select ome text or something
3.try to code the tab or stop 
Actual Results:  
browser hangs all time and it can cause a DoS

Expected Results:  
browser hangs all time and it can cause a DoS

Comment 1

[Lostmon Lords]

Attachment: test case or PoC

i have found in the wild wen i test some bug in webkit soft see also http://www.securityfocus.com/bid/38398 exploit and open it directly 

open attached file via file:/// protocol handler or via http:// in al cases firefox hang.

Comment 2

[Tyler Downer [He/Him]]

I do believe this hang was already fixed on trunk...

Comment 3

[Remko de Keijzer]

(In reply to comment #2)
> I do believe this hang was already fixed on trunk...

You probably are referring to bug 548495.

Comment 4

[Lostmon Lords]

Test it in linux Debian testing in Iceweasel browser

browser signature =>
 Mozilla/5.0 (X11; U; Linux i686; es-ES; rv:1.9.1.6) Gecko/20091216 Iceweasel/3.5.8 (like Firefox/3.5.8)

And it hangs too

Comment 5

[Tyler Downer [He/Him]]

exactly.
reporter, this will be fixed in 3.6.2 and 3.5.9