GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2015-8866

Vulnerability from fkie_nvd - Published: 2016-05-22 01:59 - Updated: 2026-06-17 00:35
Severity
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Summary
ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161.
References
cve@mitre.orghttp://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/04/24/1Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/87470Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2952-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2952-2Third Party Advisory
cve@mitre.orghttps://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=64938Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/04/24/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.php.net/ChangeLog-5.phpRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/87470Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2952-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2952-2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=64938Exploit, Issue Tracking, Patch, Vendor Advisory
Impacted products
Vendor Product Version
php php *
php php *
php php *
php php *
php php *
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 15.10
opensuse leap 42.1
opensuse opensuse 13.2
suse linux_enterprise_module_for_web_scripting 12
suse linux_enterprise_software_development_kit 12
suse linux_enterprise_software_development_kit 12
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B70DA5B9-36FC-44F1-A372-4A736D1CB043",
              "versionEndExcluding": "5.5.22",
              "versionStartIncluding": "5.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E88B9450-0A63-4FEA-98FE-AE92F7E54AA9",
              "versionEndExcluding": "5.6.6",
              "versionStartIncluding": "5.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "13EA0D07-BEA5-4E03-B54D-CA62086CA32E",
              "versionEndExcluding": "7.0.27",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0D9A8E7D-339E-4978-8D79-68E50961ABE1",
              "versionEndExcluding": "7.1.13",
              "versionStartIncluding": "7.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "44684D8E-B1F2-4D73-8361-CC3A42AA1A9C",
              "versionEndExcluding": "7.2.1",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
              "matchCriteriaId": "CB66DB75-2B16-4EBF-9B93-CE49D8086E41",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
              "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "4863BE36-D16A-4D75-90D9-FD76DB5B48B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:suse:linux_enterprise_module_for_web_scripting:12:*:*:*:*:*:*:*",
              "matchCriteriaId": "C6D0C550-7769-4004-B1A8-7FB8215AEFC0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:*",
              "matchCriteriaId": "1831D45A-EE6E-4220-8F8C-248B69520948",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "5A633996-2FD7-467C-BAA6-529E16BD06D1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161."
    },
    {
      "lang": "es",
      "value": "ext/libxml/libxml.c en PHP en versiones anteriores a 5.5.22 y 5.6.x en versiones anteriores a 5.6.6, cuando se utiliza PHP-FPM, no aisla cada hilo de cambios libxml_disable_entity_loader en otros hilos, lo que permite a atacantes remotos llevar a cabo ataques XML External Entity (XXE) y XML Entity Expansion (XEE) a trav\u00e9s de un documento XML manipulado, un problema relacionado con la CVE-2015-5161."
    }
  ],
  "id": "CVE-2015-8866",
  "lastModified": "2026-06-17T00:35:23.877",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.6,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-05-22T01:59:05.727",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/04/24/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://www.php.net/ChangeLog-5.php"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/87470"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2952-1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2952-2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://bugs.php.net/bug.php?id=64938"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/04/24/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://www.php.net/ChangeLog-5.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/87470"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2952-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2952-2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://bugs.php.net/bug.php?id=64938"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.