Debian Bug report logs - #524409
php5: PCRE bug causes PHP to segfault

Package: php5; Maintainer for php5 is (unknown);

Reported by: Ray <ray@discountofficeitems.com>

Date: Thu, 16 Apr 2009 22:00:01 UTC

Severity: normal

Found in versions php5/5.2.0-8+etch13, php5/5.2.9.dfsg.1-4

Fixed in version 5.2.6.dfsg.1-1+lenny4

Done: Ondřej Surý <ondrej@sury.org>

Bug is archived. No further changes may be made.

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Report forwarded to debian-bugs-dist@lists.debian.org, Debian PHP Maintainers <pkg-php-maint@lists.alioth.debian.org>:
Bug#524409; Package php5. (Thu, 16 Apr 2009 22:00:04 GMT) (full text, mbox, link).

Acknowledgement sent to Ray <ray@discountofficeitems.com>:
New Bug report received and forwarded. Copy sent to Debian PHP Maintainers <pkg-php-maint@lists.alioth.debian.org>. (Thu, 16 Apr 2009 22:00:04 GMT) (full text, mbox, link).

Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

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

Bug marked as found in version 5.2.9.dfsg.1-4. Request was from Raphael Geissert <geissert@debian.org> to control@bugs.debian.org. (Thu, 09 Jul 2009 03:03:03 GMT) (full text, mbox, link).

Bug 524409 cloned as bug 536317. Request was from Raphael Geissert <geissert@debian.org> to control@bugs.debian.org. (Thu, 09 Jul 2009 03:03:04 GMT) (full text, mbox, link).

Blocking bugs of 524409 added: 536317 Request was from Raphael Geissert <geissert@debian.org> to control@bugs.debian.org. (Thu, 09 Jul 2009 03:03:07 GMT) (full text, mbox, link).

Reply sent to Ondřej Surý <ondrej@sury.org>:
You have taken responsibility. (Fri, 08 Jan 2010 16:51:06 GMT) (full text, mbox, link).

Notification sent to Ray <ray@discountofficeitems.com>:
Bug acknowledged by developer. (Fri, 08 Jan 2010 16:51:06 GMT) (full text, mbox, link).

Message #16 received at 524409-done@bugs.debian.org (full text, mbox, reply):

Version: 5.2.6.dfsg.1-1+lenny4

root@howl:/tmp# php test.php
Success


-- 
Ondřej Surý <ondrej@sury.org>
http://blog.rfc1925.org/

Bug archived. Request was from Debbugs Internal Request <owner@bugs.debian.org> to internal_control@bugs.debian.org. (Tue, 09 Feb 2010 07:27:56 GMT) (full text, mbox, link).

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Debian Bug report logs - #524409 php5: PCRE bug causes PHP to segfault

Debian Bug report logs - #524409
php5: PCRE bug causes PHP to segfault