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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-7870

LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-7870
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:16 UTC · Revision 1

Source evidence

CVE-2017-7870

core-osv · Original source

Published 14 Apr 2017, 04:59 UTC

LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.

osv:CVE-2017-7870
Complete source record
{
  "id": "e219dcd1831bae315c4f5515e753b2ebd00f798de7869fda378ce741dfb948bd",
  "url": "https://osv.dev/vulnerability/CVE-2017-7870",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7870",
    "summary": "LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.",
    "evidence": "osv:CVE-2017-7870",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-7870",
      "aliases": [
        "CVE-2017-7870"
      ],
      "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": "62a97e6a561ce65e88d4c537a1b82c336f012722"
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              "database_specific": {
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                    "source": "REFERENCES_COMMIT"
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          "versions": [
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            "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-2017-7870.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-7870-05518e5e",
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                },
                "source": "https://github.com/libreoffice/core/commit/62a97e6a561ce65e88d4c537a1b82c336f012722",
                "target": {
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                "signature_version": "v1"
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                "digest": {
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                "source": "https://github.com/libreoffice/core/commit/62a97e6a561ce65e88d4c537a1b82c336f012722",
                "target": {
                  "file": "tools/source/generic/poly.cxx",
                  "function": "Polygon::Insert"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
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                },
                "source": "https://github.com/libreoffice/core/commit/62a97e6a561ce65e88d4c537a1b82c336f012722",
                "target": {
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                },
                "deprecated": false,
                "signature_type": "Line",
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              {
                "id": "CVE-2017-7870-ff672b92",
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                "source": "https://github.com/libreoffice/core/commit/62a97e6a561ce65e88d4c537a1b82c336f012722",
                "target": {
                  "file": "tools/source/generic/poly.cxx",
                  "function": "ImplPolygon::ImplSplit"
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            "vanir_signatures_modified": "2026-10-20T13:26:36Z"
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      ],
      "modified": "2026-10-20T13:26:36.595148784Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2017:1975",
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=372",
        "https://security.gentoo.org/glsa/201706-28",
        "https://github.com/LibreOffice/core/commit/62a97e6a561ce65e88d4c537a1b82c336f012722"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
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            "cpes": [
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            ],
            "vendor_product": "libreoffice:libreoffice",
            "extracted_events": [
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                "range": [
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                    "last_affected": "5.3.0.0"
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                ],
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            ]
          },
          {
            "extracted_events": [
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    },
    "related_cves": [
      {
        "value": "CVE-2017-7870",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387689,
  "published_at": "2017-04-14T04:59:00.757+00:00"
}