Description
Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.
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 | 5.4.45-0+deb7u7 | DLA-818-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | php5 | 5.5.9+dfsg-1ubuntu4.16 | USN-2952-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 2 | rh-php56 +2 | 2.3-1.el6 | RHSA-2016:2750 |
| RHEL 2 | rh-php56-php +27 | 5.6.25-1.el6 | RHSA-2016:2750 |
| RHEL 2 | rh-php56-php-pear | 1:1.9.5-4.el6 | RHSA-2016:2750 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | php5 | 5.5.14-53.1 | SUSE-SU-2016:1166-1 |
| SLES 12 | php5 | 5.5.14-53.1 | SUSE-SU-2016:1166-1 |
| SLES 11 SP4 | php53 | 5.3.17-59.1 | SUSE-SU-2016:1581-1, SUSE-SU-2016:1145-1 |
| SLES 11 SP3 | php53 | 5.3.17-71.1 | SUSE-SU-2016:1581-1 |
| SLES 11 SP2 | php53 | 5.3.17-47.1 | SUSE-SU-2016:1638-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 11 SP4 | php53 | 5.3.17-59.1 | SUSE-SU-2016:1581-1, SUSE-SU-2016:1145-1 |
| SUSE OpenStack Cloud 5 | php53 | 5.3.17-71.1 | SUSE-SU-2016:1581-1 |
| SUSE Manager Proxy 2.1 | php53 | 5.3.17-71.1 | SUSE-SU-2016:1581-1 |
| SUSE Manager 2.1 | php53 | 5.3.17-71.1 | SUSE-SU-2016:1581-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
peternguyen93/CVE-2016-3141 ★ 15 · Apr 21, 2016
CVE-2016-3141
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 7
- RHSA-2016:2750 Red Hat Security Advisory: rh-php56 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- USN-2952-1 php5 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-818-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:1145-1 Security update for php53 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1166-1 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1638-1 Security update for php53 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1581-1 Security update for php53 SUSE / openSUSE Security Updates · May 2, 2025
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=b1bd4119bcafab6f9a8f84d92cd65eec3afeface
- USN-2952-1 vendor-advisory
- 84271 vdb-entry
- https://support.apple.com/HT206567
- openSUSE-SU-2016:1173 vendor-advisory
- RHSA-2016:2750 vendor-advisory
- SUSE-SU-2016:1166 vendor-advisory
- USN-2952-2 vendor-advisory
- APPLE-SA-2016-05-16-4 vendor-advisory
- 1035255 vdb-entry
- https://bugs.php.net/bug.php?id=71587
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
- https://php.net/ChangeLog-5.php
- openSUSE-SU-2016:1167 vendor-advisory
- SUSE-SU-2016:1145 vendor-advisory