// For flags

CVE-2016-3141

php: Use after free in WDDX Deserialize when processing XML data

Severity Score

9.8
*CVSS v3

Exploit Likelihood

20%
*EPSS

Affected Versions

21
*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.

Vulnerabilidad de uso después de liberación de memoria en wddx.c en la extensión WDDX en PHP en versiones anteriores a 5.5.33 y 5.6.x en versiones anteriores a 5.6.19 permite a atacantes remotos causar una denegación de servicio (corrupción de memoria y caída de aplicación) o posiblemente tener otro impacto no especificado desencadenando una llamada wddx_deserialize sobre datos XML que contienen un elemento var manipulado.

USN-2952-1 fixed vulnerabilities in PHP. One of the backported patches caused a regression in the PHP Soap client. This update fixes the problem. It was discovered that the PHP Zip extension incorrectly handled directories when processing certain zip files. A remote attacker could possibly use this issue to create arbitrary directories. It was discovered that the PHP Soap client incorrectly validated data types. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-03-13 CVE Reserved
  • 2016-03-31 CVE Published
  • 2016-04-23 First Exploit
  • 2024-08-05 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions (21)