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Bug #26947 Crash by using DomDocument::getElementById()
Submitted: 2004-01-17 12:57 UTC Modified: 2004-01-18 21:36 UTC
From: olivier dot bichler at laposte dot net Assigned:
Status: Closed Package: DOM XML related
PHP Version: 5.0.0b3 (beta3) OS: *
Private report: No CVE-ID:
 [2004-01-17 12:57 UTC] olivier dot bichler at laposte dot net
Description:
------------
PHP crash by using the DOM function getElementById() (PHP kill the Apache server process on Windows, with Apache v1.3.27 and v2.0.48).

Reproduce code:
---------------
<?php
$dom = new DomDocument;
$dom -> load('essai.xml');

if ($dom -> validate()) {
	$menu = new DomDocument;
	$menu = $dom -> getElementById('a');
	echo $menu -> firstChild -> data;
}
?>

essai.xml :
-----------

<?xml version="1.0"?>
<!DOCTYPE essai [
	<!ELEMENT essai (truc+)>

	<!ELEMENT truc (#PCDATA)>
	<!ATTLIST truc
		id	ID		#REQUIRED>
]>

<essai>
	<truc id="a">1</truc>
</essai>

Expected result:
----------------
1

Actual result:
--------------
Nothing, PHP and the server crash...
There is the same result with an external doctype.
When I call getElementById(id) with an id who doesn't exist in the XML file, there is no crash.

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 [2004-01-17 20:23 UTC] sniper@php.net
Please try using this CVS snapshot:

  http://snaps.php.net/php5-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5-win32-latest.zip


 [2004-01-18 05:13 UTC] chregu@php.net
It only crashes, if you use validate(). Without it seems to work.

I'm looking into it.


 [2004-01-18 07:52 UTC] chregu@php.net
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.


 
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