Security advisory

{
  "id": "584e5e2dc5f1611d090ec54091b2242ebbe64e0484447fb192fd441f06bed939",
  "url": "https://osv.dev/vulnerability/CVE-2017-6802",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-6802",
    "summary": "An issue was discovered in ytnef before 1.9.2. There is a potential heap-based buffer over-read on incoming Compressed RTF Streams, related to DecompressRTF() in libytnef.",
    "evidence": "osv:CVE-2017-6802",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-6802",
      "aliases": [
        "CVE-2017-6802"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/yeraze/ytnef",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b36d6b25b7a546fc28d6c3812124e487987a4910"
                },
                {
                  "fixed": "22f8346c8d4f0020a40d9f258fdb3bfc097359cc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "22f8346c8d4f0020a40d9f258fdb3bfc097359cc"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.9.1",
            "v1.9",
            "v1.8",
            "v1.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6802.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-6802-3e1461a9",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "339425726455946902531056660795926002318",
                    "282937161389154332084400666347938973863",
                    "323291244489537285362763602063071117358",
                    "79985221685550948486671060107385885610"
                  ]
                },
                "source": "https://github.com/yeraze/ytnef/commit/22f8346c8d4f0020a40d9f258fdb3bfc097359cc",
                "target": {
                  "file": "lib/ytnef.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-6802-4e85c428",
                "digest": {
                  "length": 2160,
                  "function_hash": "211186934015105063584045027752204152342"
                },
                "source": "https://github.com/yeraze/ytnef/commit/22f8346c8d4f0020a40d9f258fdb3bfc097359cc",
                "target": {
                  "file": "lib/ytnef.c",
                  "function": "DecompressRTF"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:24:22Z"
          }
        }
      ],
      "modified": "2026-10-20T13:24:22.295991350Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/",
        "https://github.com/Yeraze/ytnef/commit/22f8346c8d4f0020a40d9f258fdb3bfc097359cc",
        "https://github.com/Yeraze/ytnef/issues/34"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  },
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-6802",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387630,
  "published_at": "2017-03-10T10:59:00.577+00:00"
}