Is CVE-2016-5772 being actively exploited?

CVE-2016-5772 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2016-5772?

CVE-2016-5772 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2016-5772

CRITICAL · CVSS 9.8EPSS 9.7%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-415
EPSS score: 9.7% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2016-6707)
Published: August 7, 2016
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2016-6707 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
opensuse / leap
opensuse / opensuse
php / php
suse / linux enterprise debuginfo
suse / linux enterprise server
suse / linux enterprise software development kit

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 11 Service Pack 2 on IBM System z - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0852-2013 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 including KVM virtualization - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0787-2013 - archived

References

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)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain