Security advisory

{
  "id": "bdcf3292b70eee14f2edeb54d8a56846bff322b2eca7c7c3861e4f488ee1cb2d",
  "url": "https://osv.dev/vulnerability/CVE-2016-10327",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-10327",
    "summary": "LibreOffice before 2016-12-22 has an out-of-bounds write caused by a heap-based buffer overflow related to the EnhWMFReader::ReadEnhWMF function in vcl/source/filter/wmf/enhwmf.cxx.",
    "evidence": "osv:CVE-2016-10327",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-10327",
      "aliases": [
        "CVE-2016-10327"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/libreoffice/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7485fc2a1484f31631f62f97e5c64c0ae74c6416"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "7485fc2a1484f31631f62f97e5c64c0ae74c6416"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "libreoffice-5-3-branch-point",
            "libreoffice-5-2-branch-point",
            "libreoffice-5-1-branch-point",
            "libreoffice-5-0-branch-point",
            "libreoffice-4-4-branch-point",
            "libreoffice-4-3-branch-point",
            "sdremote-2.0.0",
            "libreoffice-4-2-branch-point",
            "libreoffice-4-2-milestone-1",
            "libreoffice-4-1-branch-point",
            "libreoffice-4-0-branch-point",
            "libreoffice-3-6-branch-point",
            "libreoffice-3.5.0.0",
            "libreoffice-3-5-branch-point",
            "windows_build_successful_2011_11_08",
            "MELD_LIBREOFFICE_REPOS"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-10327.json",
            "vanir_signatures": [
              {
                "id": "CVE-2016-10327-1681ef8b",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                    "48980431915421534421871362110824146609",
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                    "145803185700566884705377919326943751767",
                    "159286291030143378254486357485998754256"
                  ]
                },
                "source": "https://github.com/libreoffice/core/commit/7485fc2a1484f31631f62f97e5c64c0ae74c6416",
                "target": {
                  "file": "vcl/source/filter/wmf/enhwmf.cxx"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2016-10327-1c06df17",
                "digest": {
                  "length": 30327,
                  "function_hash": "284193747462724565906558809339168579976"
                },
                "source": "https://github.com/libreoffice/core/commit/7485fc2a1484f31631f62f97e5c64c0ae74c6416",
                "target": {
                  "file": "vcl/source/filter/wmf/enhwmf.cxx",
                  "function": "EnhWMFReader::ReadEnhWMF"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:14:02Z"
          }
        }
      ],
      "modified": "2026-10-20T13:14:02.702273476Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=313",
        "https://security.gentoo.org/glsa/201706-28",
        "https://github.com/LibreOffice/core/commit/7485fc2a1484f31631f62f97e5c64c0ae74c6416"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:libreoffice:libreoffice:*:beta2:*:*:*:*:*:*"
            ],
            "vendor_product": "libreoffice:libreoffice",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "5.3.0.0"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2016-12-22"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2016-10327",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387351,
  "published_at": "2017-04-14T04:59:00.167+00:00"
}