Security advisory

{
  "id": "ab43b460d9827952fe85eb099c05cee38404597076125c4d348e7f0ce7fcfec1",
  "url": "https://osv.dev/vulnerability/CVE-2017-14640",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-14640",
    "summary": "A NULL pointer dereference was discovered in AP4_AtomSampleTable::GetSample in Core/Ap4AtomSampleTable.cpp in Bento4 version 1.5.0-617. The vulnerability causes a segmentation fault and application crash, which leads to remote denial of service.",
    "evidence": "osv:CVE-2017-14640",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-14640",
      "aliases": [
        "CVE-2017-14640"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/axiomatic-systems/bento4",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3f2ad0b82d59aa5995d027df64b2964ebcf59e10"
                },
                {
                  "last_affected": "3f2ad0b82d59aa5995d027df64b2964ebcf59e10"
                },
                {
                  "fixed": "2f267f89f957088197f4b1fc254632d1645b415d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bento4:bento4:1.5.0-617:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.0-617"
                      },
                      {
                        "last_affected": "1.5.0-617"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "2f267f89f957088197f4b1fc254632d1645b415d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.5.0-617",
            "v1.5.0-617"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14640.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-14640-645afdad",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "308572507585856352145932927881347175705",
                    "272557305027728360472162646032749043289",
                    "165323675687539707753772975874818096364",
                    "285021036354712794539596122825774242153",
                    "166594828238651843661541181788043470174"
                  ]
                },
                "source": "https://github.com/axiomatic-systems/bento4/commit/2f267f89f957088197f4b1fc254632d1645b415d",
                "target": {
                  "file": "Source/C++/Core/Ap4AtomSampleTable.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-14640-945069a4",
                "digest": {
                  "length": 1856,
                  "function_hash": "19319967281882059049951904879574726754"
                },
                "source": "https://github.com/axiomatic-systems/bento4/commit/2f267f89f957088197f4b1fc254632d1645b415d",
                "target": {
                  "file": "Source/C++/Core/Ap4AtomSampleTable.cpp",
                  "function": "AP4_AtomSampleTable::GetSample"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:21:14Z"
          }
        }
      ],
      "modified": "2026-10-20T13:21:14.096302144Z",
      "provider": "osv",
      "references": [
        "https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_atomsampletablegetsample-ap4atomsampletable-cpp/",
        "https://github.com/axiomatic-systems/Bento4/commit/2f267f89f957088197f4b1fc254632d1645b415d",
        "https://github.com/axiomatic-systems/Bento4/issues/183"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-14640",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387546,
  "published_at": "2017-09-21T17:29:00.23+00:00"
}