Back
CVE-2016-5772
CRITICAL
Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted XML data that is mishandled in a wddx_deserialize call.
Published: Aug 7, 2016
Modified: Jun 17, 2026
CWE-415
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (9)
| Vendor | Product | Version |
|---|---|---|
| php | php | * < 5.5.37 |
| php | php | * ≥ 5.6.0 < 5.6.23 |
| php | php | * ≥ 7.0.0 < 7.0.8 |
| suse | linux_enterprise_debuginfo | 11 |
| opensuse | leap | 42.1 |
| opensuse | opensuse | 13.2 |
| suse | linux_enterprise_server | 11 |
| suse | linux_enterprise_software_development_kit | 11 |
| debian | debian_linux | 8.0 |
GitHub Security Advisory GHSA-v2qq-h2h4-pjqv
Double free vulnerability in the php_wddx_process_data function in wddx.c in the WDDX extension...
References (28)
- http://github.com/php/php-src/commit/a44c89e8af7c2410f4bfc5e097be2a5d0639a60c?w=1 Patch, Third Party Advisory
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html Broken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html Mailing List, Third Party Advisory
- http://php.net/ChangeLog-5.php Patch, Release Notes, Vendor Advisory
- http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2750.html Third Party Advisory
- http://www.debian.org/security/2016/dsa-3618 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/23/4 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/91398 Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=72340 Exploit, Issue Tracking, Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 Third Party Advisory
- https://support.apple.com/HT207170 Third Party Advisory
- http://github.com/php/php-src/commit/a44c89e8af7c2410f4bfc5e097be2a5d0639a60c?w=1 Patch, Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
9.67%
Top 5% most likely to be exploited
Threat Score
42.1 / 100
Data Sources
NVD
EPSS
GitHub