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Bug #59374 Crashes on certain input
Submitted: 2010-08-18 23:13 UTC Modified: 2010-11-14 10:02 UTC
From: michal dot takacs at gmail dot com Assigned:
Status: Closed Package: bbcode (PECL)
PHP Version: 5.3.2 OS: Linux CentOS 5 x64
Private report: No CVE-ID: None
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From: michal dot takacs at gmail dot com
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 [2010-08-18 23:13 UTC] michal dot takacs at gmail dot com
When a [url] has another malformed nested [url] in it, it 
crashes the PHP process upon parsing.

Reproduce code:
I already fixed the input in the database.

Sorry I cannot really reproduce easily, I'd have to restore a massive several - GB database. If you guys really need this, I'll do it.

Basically the input was something like:

[url="here was the URL"][b]Text]url=".."here it was kind of repeated]

Expected result:
Parsed BB code.

Actual result:


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 [2010-09-27 05:19 UTC] clyde dot semeleer at valtaf dot nl
Hi, we also have a related bug. We use the tag [url] in 2 
different ways. For example links for specific url's we use: 

On our website we also have some blogs, we customized the 
url tag to also accept id's for example [url=1234]some 
text[/url]. All the above works fine. 

The problem is when a user uses [url="1234]some text[/url] 
(which is wrong), we would expect the parser to ignore the 
text as this is not valid bbcode. Instead we get a 
segmentation fault error!
 [2010-09-27 06:29 UTC] xdecock at gmail dot com
Can you try the svn version?

I'll need to add some test case and probably rebuild a new release as a set of patches are waiting in svn for now.

 [2010-11-13 06:02 UTC] felixjet at gmail dot com
just asking, are you void (or any other) going to repackage 
this to compile against PHP 5.3 ? anytime soon? this bbcode 
parser is 10x faster than any other, keep up the good work
 [2010-11-14 10:02 UTC] xdecock at gmail dot com
Thank you for your bug report. This issue has been fixed
in the latest released version of the package, which you can download at

Fixes Released in new beta
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