CVE-2016-9934
Summary
| CVE | CVE-2016-9934 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-01-04 20:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.115790000 probability, percentile 0.936990000 (date 2026-05-11)
Problem Types: CWE-476 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Php | Php | 7.0.0 | All | All | All |
| Application | Php | Php | 7.0.1 | All | All | All |
| Application | Php | Php | 7.0.10 | All | All | All |
| Application | Php | Php | 7.0.11 | All | All | All |
| Application | Php | Php | 7.0.12 | All | All | All |
| Application | Php | Php | 7.0.2 | All | All | All |
| Application | Php | Php | 7.0.3 | All | All | All |
| Application | Php | Php | 7.0.4 | All | All | All |
| Application | Php | Php | 7.0.5 | All | All | All |
| Application | Php | Php | 7.0.6 | All | All | All |
| Application | Php | Php | 7.0.7 | All | All | All |
| Application | Php | Php | 7.0.8 | All | All | All |
| Application | Php | Php | 7.0.9 | All | All | All |
| Application | Php | Php | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| openSUSE-SU-2017:0081-1: moderate: Security update for php5 | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Fix bug #73331 - do not try to serialize/unserialize objects wddx can… · php/php-src@6045de6 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Vendor Advisory |
| PHP :: Sec Bug #73331 :: NULL Pointer Dereference in WDDX Packet Deserialization with PDORow | af854a3a-2127-422b-91ae-364da2661108 | bugs.php.net | Vendor Advisory |
| PHP: PHP 5 ChangeLog | af854a3a-2127-422b-91ae-364da2661108 | www.php.net | Release Notes, Vendor Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| oss-security - CVE assignment for PHP 5.6.28, 5.6.29, 7.0.13, 7.0.14 and 7.1.0 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Third Party Advisory |
| PHP: PHP 7 ChangeLog | af854a3a-2127-422b-91ae-364da2661108 | www.php.net | Release Notes, Vendor Advisory |
| PHP 'ext/wddx/wddx.c' NULL pointer Dereference Remote Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| openSUSE-SU-2017:0061-1: moderate: Security update for php7 | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| openSUSE-SU-2016:3239-1: moderate: Security update for php5 | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.