Description
ext/xml/xml.c in PHP before 5.3.27 does not properly consider parsing depth, which allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a crafted document that is processed by the xml_parse_into_struct function.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | php5 | 5.4.4-14+deb7u3 | DSA-2723-1 |
| Debian 6.0 | php5 | 5.3.3-7+squeeze16 | DSA-2723-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | php +26 | 5.3.3-23.el6_4 | RHSA-2013:1049 |
| RHEL 5 | php +18 | 5.1.6-40.el5_9 | RHSA-2013:1049 |
| RHEL 5 | php53 +20 | 5.3.3-13.el5_9.1 | RHSA-2013:1050 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Mission Critical 5 | php +18 | 5.1.6-23.4.el5_3 | RHSA-2013:1061 |
| RHEL 6.3 EUS | php +25 | 5.3.3-14.el6_3.1 | RHSA-2013:1061 |
| RHEL 6.2 EUS | php +25 | 5.3.3-3.el6_2.10 | RHSA-2013:1061 |
| RHEL 5.6 EUS | php +18 | 5.1.6-27.el5_6.5 | RHSA-2013:1061 |
| RHEL 5.6 EUS | php53 +20 | 5.3.3-1.el5_6.3 | RHSA-2013:1062 |
| RHEL 4 ELS | php +13 | 4.3.9-3.37.el4 | RHSA-2013:1063 |
| RHEL 3 ELS | php +6 | 4.3.2-56.ent | RHSA-2013:1063 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | php5 | 5.6.28-1.1 | openSUSE-SU-2024:10344-1 |
| openSUSE Tumbleweed | php7 | 7.0.14-1.4 | openSUSE-SU-2024:10290-1 |
| openSUSE Tumbleweed | php8 | 8.0.11-1.1 | openSUSE-SU-2024:11169-1 |
Advisories 10
- RHSA-2013:1049 Red Hat Security Advisory: php security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2013:1061 Red Hat Security Advisory: php security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2013:1063 Red Hat Security Advisory: php security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2723-1 php5 - heap corruption Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10290-1 apache2-mod_php7-7.0.14-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10344-1 apache2-mod_php5-5.6.28-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11169-1 php8-8.0.11-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2013:1062 Red Hat Security Advisory: php53 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2013:1050 Red Hat Security Advisory: php53 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2023-1285 PHP: Schwachstelle ermöglicht Ausführen beliebigen Programmcodes mit den Rechten des Dienstes BSI CERT-Bund (WID) · May 23, 2023
References
- 54071 third-party-advisory
- RHSA-2013:1061 vendor-advisory
- 54165 third-party-advisory
- 54104 third-party-advisory
- SUSE-SU-2013:1316 vendor-advisory
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=7d163e8a0880ae8af2dd869071393e5dc07ef271
- DSA-2723 vendor-advisory
- 54163 third-party-advisory
- https://bugs.php.net/bug.php?id=65236
- USN-1905-1 vendor-advisory
- RHSA-2013:1062 vendor-advisory
- http://support.apple.com/kb/HT6150
- http://php.net/ChangeLog-5.php
- RHSA-2013:1050 vendor-advisory
- RHSA-2013:1049 vendor-advisory
- RHSA-2013:1063 vendor-advisory
- SUSE-SU-2013:1315 vendor-advisory
- SUSE-SU-2013:1285 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=983689
- http://php.net/archive/2013.php#id2013-07-11-1