CVE-2016-9935

critical
Published 2017-01-04 · Modified 2026-05-06
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

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.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-9935.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://bugs.php.net/bug.php?id=73631

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.php.net/ChangeLog-7.php

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.php.net/ChangeLog-5.php

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201701-28

OS impact

OSVersionStatusFixed in
suse slesaffected
arch archfixed7.1.1-0

Application impact

VendorProductVersionsFixed
phpphp{"endIncluding":"5.6.28"}
phpphp7.0.0
phpphp7.0.1
phpphp7.0.2
phpphp7.0.3
phpphp7.0.4
phpphp7.0.5
phpphp7.0.6
phpphp7.0.7
phpphp7.0.8
phpphp7.0.9
phpphp7.0.10
phpphp7.0.11
phpphp7.0.12
phpphp7.0.13

References

CWEs

CWE-125

Verify integrity in audit chain (admin only). AS-IS.