[php-maint] Bug#524409: php5: PCRE bug causes PHP to segfault

Ray ray at discountofficeitems.com
Thu Apr 16 21:45:31 UTC 2009


Package: php5
Version: 5.2.0-8+etch13
Severity: normal

code that triggers the error, dug up from inside the zend framework
<?php

$q  = '\'';
$qe = '\\\\\'';
preg_replace("/$q($qe|\\\\{2}|[^$q])*$q/", '', str_pad('\'',6000, 'a'));

echo 'Success', PHP_EOL;

?>

output:
Segmentation fault

expected output:
Success

phpinfo() puts the pcre library at: 6.7.7.4 2008-07-04

It may be related to: http://bugs.exim.org/show_bug.cgi?id=809

-- System Information:
Debian Release: 4.0
   APT prefers oldstable
   APT policy: (500, 'oldstable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.24-etchnhalf.1-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages php5 depends on:
ii  libapache2-mod-php5       5.2.0-8+etch13 server-side, HTML-embedded 
scripti
ii  php5-common               5.2.0-8+etch13 Common files for packages 
built fr

php5 recommends no packages.

-- no debconf information





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