Security advisory

{
  "id": "de9459a438b3fe60fc0fd2f87ed6f62624cf12704830c1e27b1565c231d2ba8c",
  "url": "https://osv.dev/vulnerability/CVE-2017-9146",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-9146",
    "summary": "The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.",
    "evidence": "osv:CVE-2017-9146",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-9146",
      "aliases": [
        "CVE-2017-9146"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/yeraze/ytnef",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b4133d866edf362b332baff506e4a77359c7262a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.9.2",
            "v1.9.1-2",
            "v1.9.1",
            "v1.9",
            "v1.8",
            "v1.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9146.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:11.434137715Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/",
        "https://usn.ubuntu.com/3667-1/",
        "https://github.com/Yeraze/ytnef/issues/47"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-9146",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381392,
  "published_at": "2017-05-22T18:29:00.223+00:00"
}