Security advisory

{
  "id": "2cc2063d5d4f87a6152b13826c05ed3ea9dbca676411e2ddba06d98971d17661",
  "url": "https://osv.dev/vulnerability/CVE-2017-9465",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-9465",
    "summary": "The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.",
    "evidence": "osv:CVE-2017-9465",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-9465",
      "aliases": [
        "CVE-2017-9465"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/virustotal/yara",
              "type": "GIT",
              "events": [
                {
                  "introduced": "76cae33466f715fb3004082f00e3c06df028a1f8"
                },
                {
                  "last_affected": "76cae33466f715fb3004082f00e3c06df028a1f8"
                },
                {
                  "fixed": "992480c30f75943e9cd6245bb2015c7737f9b661"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:virustotal:yara:3.6.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.6.1"
                      },
                      {
                        "last_affected": "3.6.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "992480c30f75943e9cd6245bb2015c7737f9b661"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.6.1",
            "v3.6.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9465.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-9465-1fffc0bc",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "252996570414779086210087909001158397802",
                    "261181511046233318281731376336113655141",
                    "185667405258648800816523469620654116272"
                  ]
                },
                "source": "https://github.com/virustotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661",
                "target": {
                  "file": "libyara/scan.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-9465-28e62c69",
                "digest": {
                  "length": 1543,
                  "function_hash": "190220911575372943830684449426476716685"
                },
                "source": "https://github.com/virustotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661",
                "target": {
                  "file": "libyara/scan.c",
                  "function": "_yr_scan_match_callback"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-9465-3eae38c7",
                "digest": {
                  "length": 2080,
                  "function_hash": "218722524166379495420155728076727896018"
                },
                "source": "https://github.com/virustotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661",
                "target": {
                  "file": "libyara/re.c",
                  "function": "yr_re_fast_exec"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-9465-8bf4ddcd",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "65748931783295745936784776389354996336",
                    "246851929234363948597532778460422286229",
                    "260828838973996272821542977455737067581",
                    "113800155931700414934196972369092325044",
                    "256514620458886774406778854107372161521",
                    "209393066111306728356378236144028102631",
                    "202636849054021355813057677063838077607",
                    "243961396931324914856459043778367457788",
                    "130967971306365082989099645444723723985",
                    "328624578045068155561219552824340821315"
                  ]
                },
                "source": "https://github.com/virustotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661",
                "target": {
                  "file": "libyara/re.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:25:00Z"
          }
        }
      ],
      "modified": "2026-10-20T13:25:00.103365685Z",
      "provider": "osv",
      "references": [
        "https://github.com/VirusTotal/yara/commit/992480c30f75943e9cd6245bb2015c7737f9b661",
        "https://github.com/VirusTotal/yara/issues/678"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-9465",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387647,
  "published_at": "2017-06-06T21:29:00.453+00:00"
}