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Bug #45722 mb_check_encoding() crashes
Submitted: 2008-08-05 11:51 UTC Modified: 2008-10-16 01:06 UTC
From: estacuentanolamiro at gmail dot com Assigned: moriyoshi (profile)
Status: Closed Package: mbstring related
PHP Version: 5.2CVS, 5.3CVS, 6CVS (2008-08-05) OS: *
Private report: No CVE-ID: None
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 [2008-08-05 11:51 UTC] estacuentanolamiro at gmail dot com 
Description:
------------
mb_check_encoding segmentation fault



Reproduce code:
---------------
$text = "&? ASDF ASDF ASDF ASDF ASDF ASDF ASDF";
if( mb_check_encoding($text,'HTML-ENTITIES') ) {
     $text = htmlentities($text);
}
echo $text;

Expected result:
----------------
string

Actual result:
--------------
Nothing, segmentation fault.

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 [2008-08-05 11:54 UTC] estacuentanolamiro at gmail dot com 
Sorry, correct reproduce code:

$text = "&? ASDF ASDF ASDF ASDF ASDF ASDF ASDF";
if( !mb_check_encoding($text,'HTML-ENTITIES') ) {
     $text = htmlentities($text);
}
echo $text;
 [2008-08-05 12:13 UTC] jani@php.net 
Moriyoshi, verified with all branches.
 [2008-10-16 01:06 UTC] moriyoshi@php.net 
This bug has been fixed in CVS.

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