CVE-2016-9935

Estado: ModificadaCrítica (9.8)—
La función php_wddx_push_element en ext/wddx/wddx.c en PHP en versiones anteriores a 5.6.29 y 7.x en versiones anteriores a 7.0.14 permite a atacantes remotos provocar una denegación de servicio (lectura fuera de rango y corrupción de memoria) o posiblemente tener otro impacto no especificado de un elemento booleano vacío en un documento wddxPacket XML.
CVSS

Versión: 3.0
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 6.97%
Percentil entre todas las CVEs puntuadas: 94
Fecha de la puntuación: 17/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)

PHP — PHP
CWE

CWE-125
Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-9935",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": true,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-01-04T20:59:00.573",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3737",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/12/12/2",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.php.net/ChangeLog-5.php",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.php.net/ChangeLog-7.php",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/94846",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2018:1296",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.php.net/bug.php?id=73631",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201702-29",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3737",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/12/12/2",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php.net/ChangeLog-5.php",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php.net/ChangeLog-7.php",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/94846",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2018:1296",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.php.net/bug.php?id=73631",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201702-29",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "La función php_wddx_push_element en ext/wddx/wddx.c en PHP en versiones anteriores a 5.6.29 y 7.x en versiones anteriores a 7.0.14 permite a atacantes remotos provocar una denegación de servicio (lectura fuera de rango y corrupción de memoria) o posiblemente tener otro impacto no especificado de un elemento booleano vacío en un documento wddxPacket XML."
    }
  ],
  "lastModified": "2026-06-17T00:56:48.287",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "390EC369-28E0-4708-B909-B4F271B319DE",
              "versionEndIncluding": "5.6.28"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DB6890AF-8A0A-46EE-AAD5-CF9AAE14A321"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6B90B947-7B54-47F3-9637-2F4AC44079EE"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "35848414-BD5D-4164-84DC-61ABBB1C4152"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B1F8402-8551-4F66-A9A7-81D472AB058E"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A773E8E-48CD-4D35-A0FD-629BD9334486"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FC492340-79AF-4676-A161-079A97EC6F0C"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F1C2D8FE-C380-4B43-B634-A3DBA4700A71"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3EB58393-0C10-413C-8D95-6BAA8BC19A1B"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "751F51CA-9D88-4971-A6EC-8C0B72E8E22B"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "37B74118-8FC2-44CB-9673-A83DF777B2E6"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4D56A200-1477-40DA-9444-CFC946157C69"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FD0D1CCC-A857-4C15-899E-08F9255CEE34"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6745CC43-2836-4CD8-848F-EEA08AE9D5AC"
            },
            {
              "criteria": "cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7BEB6696-14F9-4D9B-9974-B682FFBB828E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}