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Vulnerability record · CVE-2016-7129 · published 12 September 2016

CVE-2016-7129: Php improper input validation vulnerability

Php · Php

The php_wddx_process_data function in ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via an invalid ISO 8601 time value, as demonstrated by a wddx_deserialize call that mishandles a dateTime element in a wddxPacket XML document.

9.8 CVSS 3.0 Critical EPSS 6.8% · top 6.2% CWE-20 · Improper input validation
9.8CVSS 3.0 base score, v2 7.5
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The php_wddx_process_data function in ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via an invalid ISO 8601 time value, as demonstrated by a wddx_deserialize call that mishandles a dateTime element in a wddxPacket XML document.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://openwall.com/lists/oss-security/2016/09/02/9 Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.php.net/ChangeLog-5.php Release Notes
http://www.php.net/ChangeLog-7.php Release Notes
http://www.securityfocus.com/bid/92758
http://www.securitytracker.com/id/1036680
https://bugs.php.net/bug.php?id=72749 ExploitIssue Tracking
https://github.com/php/php-src/commit/426aeb2808955ee3d3f52e0cfb102834cdb836a5?w=1 Issue TrackingPatch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19
http://openwall.com/lists/oss-security/2016/09/02/9 Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.php.net/ChangeLog-5.php Release Notes
http://www.php.net/ChangeLog-7.php Release Notes
http://www.securityfocus.com/bid/92758
http://www.securitytracker.com/id/1036680
https://bugs.php.net/bug.php?id=72749 ExploitIssue Tracking
https://github.com/php/php-src/commit/426aeb2808955ee3d3f52e0cfb102834cdb836a5?w=1 Issue TrackingPatch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-7129), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.