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Vulnerability record · CVE-2016-9935 · published 4 January 2017

CVE-2016-9935: Php out-of-bounds read vulnerability

Php · Php

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.

9.8 CVSS 3.0 Critical EPSS 7.0% · top 6.0% CWE-125 · Out-of-bounds read
9.8CVSS 3.0 base score, v2 7.5
7.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References
17 Jun 2026Last modified by NVD

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.

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://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html
http://www.debian.org/security/2016/dsa-3737
http://www.openwall.com/lists/oss-security/2016/12/12/2 Third Party Advisory
http://www.php.net/ChangeLog-5.php Release NotesVendor Advisory
http://www.php.net/ChangeLog-7.php Release NotesVendor Advisory
http://www.securityfocus.com/bid/94846
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73631 Vendor Advisory
https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0 PatchVendor Advisory
https://security.gentoo.org/glsa/201702-29
http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html
http://www.debian.org/security/2016/dsa-3737
http://www.openwall.com/lists/oss-security/2016/12/12/2 Third Party Advisory
http://www.php.net/ChangeLog-5.php Release NotesVendor Advisory
http://www.php.net/ChangeLog-7.php Release NotesVendor Advisory
http://www.securityfocus.com/bid/94846
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73631 Vendor Advisory
https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0 PatchVendor Advisory
https://security.gentoo.org/glsa/201702-29

Track CVE-2016-9935 inside VULONE

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

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Source: NIST National Vulnerability Database (record CVE-2016-9935), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.