CVE-2016-4447 (GCVE-0-2016-4447)

Vulnerability from cvelistv5 – Published: 2016-06-09 16:00 – Updated: 2024-08-06 00:32
VLAI
Summary
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1037 records in the last 180 days details
References
URL Tags
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http://www.securityfocus.com/bid/90864 vdb-entryx_refsource_BID
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http://www.openwall.com/lists/oss-security/2016/05/25/2 mailing-listx_refsource_MLIST
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https://www.debian.org/security/2016/dsa-3593 vendor-advisoryx_refsource_DEBIAN
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http://xmlsoft.org/news.html x_refsource_CONFIRM
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Date Public
2016-05-23 00:00
Show details on NVD website
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                    "versionEndIncluding": "7.6.2.3",
                    "versionStartIncluding": "7.6.0.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n xmlParseElementDecl en parser.c en libxml2 en versiones anteriores a 2.9.4 permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (underread basado en memoria din\u00e1mica y ca\u00edda de aplicaci\u00f3n) a trav\u00e9s de un archivo manipulado, con la participaci\u00f3n de xmlParseName."
          }
        ],
        "id": "CVE-2016-4447",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2016-06-09T16:59:05.707",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html"
          },
          {
            "source": "secalert@redhat.com",
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            ],
            "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html"
          },
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          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
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            ],
            "url": "http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html"
          },
          {
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            "url": "http://www.openwall.com/lists/oss-security/2016/05/25/2"
          },
          {
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          },
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          },
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          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-21T05:34:36+00:00",
      "cve": "CVE-2016-4447",
      "id": "CVE-2016-4447",
      "initial_release_date": "2016-05-23T00:00:00+00:00",
      "product_status:fixed": "145",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libxml2: Heap-based buffer underreads due to xmlParseName",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-4447.json",
      "version": "3"
    }
  }
}



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