Description
The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.29 and 7.x before 7.0.14 allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) or possibly have unspecified other impact via an empty boolean element in a wddxPacket XML document.
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 8 | php5 | 5.6.29+dfsg-0+deb8u1 | DSA-3737-1 |
| Debian 7 | php5 | 5.4.45-0+deb7u7 | DLA-818-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | php7.0 | 7.0.15-0ubuntu0.16.04.2 | USN-3211-1 |
| Ubuntu 14.04 LTS | php5 | 5.5.9+dfsg-1ubuntu4.21 | USN-3196-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | rh-php70-php +29 | 7.0.27-1.el6 | RHSA-2018:1296 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | php5 | 5.5.14-89.2 | SUSE-SU-2017:0038-1 |
| SLES 12 SP2 | php7 | 7.0.7-28.2 | SUSE-SU-2017:0017-1 |
| SLES 12 SP1 | php5 | 5.5.14-89.2 | SUSE-SU-2017:0038-1 |
| SLES 12 SP1 | php7 | 7.0.7-28.2 | SUSE-SU-2017:0017-1 |
| SLES 12 | php5 | 5.5.14-89.2 | SUSE-SU-2017:0038-1 |
| SLES 12 | php7 | 7.0.7-28.2 | SUSE-SU-2017:0017-1 |
| SLES 11 SP4 | php53 | 5.3.17-94.1 | SUSE-SU-2017:0109-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 11 SP4 | php53 | 5.3.17-94.1 | SUSE-SU-2017:0109-1 |
Advisories 8
- RHSA-2018:1296 Red Hat Security Advisory: rh-php70-php security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3211-1 php7.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3196-1 php5 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-818-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3737-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:0038-1 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0109-1 Security update for php53 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0017-1 Security update for php7 SUSE / openSUSE Security Updates · May 2, 2025
References
- https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0
- [oss-security] 20161212 CVE assignment for PHP 5.6.28, 5.6.29, 7.0.13, 7.0.14 and 7.1.0 mailing-list
- DSA-3737 vendor-advisory
- openSUSE-SU-2017:0081 vendor-advisory
- http://www.php.net/ChangeLog-7.php
- RHSA-2018:1296 vendor-advisory
- http://www.php.net/ChangeLog-5.php
- openSUSE-SU-2017:0061 vendor-advisory
- openSUSE-SU-2016:3239 vendor-advisory
- https://bugs.php.net/bug.php?id=73631
- GLSA-201702-29 vendor-advisory
- 94846 vdb-entry