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Bug #32312 Error in PCRE
Submitted: 2005-03-15 10:32 UTC Modified: 2005-05-09 02:28 UTC
Votes:1
Avg. Score:3.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (100.0%)
From: xanthor at xanthor dot tk Assigned:
Status: Not a bug Package: PCRE related
PHP Version: 4CVS, 5CVS (2005-03-19) OS: *
Private report: No CVE-ID: None
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 [2005-03-15 10:32 UTC] xanthor at xanthor dot tk 
Description:
------------
The following code returns a wrong result with some strings, but when we reduce them, it swich back to expected behaviour.

Tested on PHP 4.3.10, 4.3.9, 5.0.2, and 5.0.3RC2
PCRE Library Version => 4.5 01-December-2003


Reproduce code:
---------------
preg_match("/((.*<.*>.*)*.(.*<.+>.+<.>.+)*b)?/",'<><'.str_repeat('a',14).'>'.str_repeat('a',33).'<a>'.str_repeat('a',92).'<a>'.str_repeat('a',8).'<a>a')

Expected result:
----------------
This code should return true

Actual result:
--------------
The code returns false.
Reduce one of the str_repeat, and it'll return true.

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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2005-03-16 21:31 UTC] xanthor at xanthor dot tk 
It works with 4.3.2
 [2005-03-19 00:07 UTC] sniper@php.net 
No, it doesn't return 'bool(true)' as preg_match() returns an integer. Try with something like 'var_dump(preg_match...' 
Also RTFM.
 [2005-04-20 09:04 UTC] sniper@php.net 
It's the PCRElib limitation again..
 [2005-05-09 02:28 UTC] xanthor at xanthor dot tk 
And were are submited PCRElib bugs ?
 
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