Security advisory

{
  "id": "67269936abffc63755780348c8d124274c13a458fe007611b08ae5d3374f27ce",
  "url": "https://osv.dev/vulnerability/CVE-2017-14639",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-14639",
    "summary": "AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4 1.5.0-617 uses incorrect character data types, which causes a stack-based buffer underflow and out-of-bounds write, leading to denial of service (application crash) or possibly unspecified other impact.",
    "evidence": "osv:CVE-2017-14639",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-14639",
      "aliases": [
        "CVE-2017-14639"
      ],
      "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/axiomatic-systems/bento4",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3f2ad0b82d59aa5995d027df64b2964ebcf59e10"
                },
                {
                  "last_affected": "3f2ad0b82d59aa5995d027df64b2964ebcf59e10"
                },
                {
                  "fixed": "03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda"
                }
              ],
              "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": "03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda"
                      }
                    ],
                    "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-2017-14639.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-14639-dc2ee2c3",
                "digest": {
                  "length": 744,
                  "function_hash": "225778327751199517861484754013994296709"
                },
                "source": "https://github.com/axiomatic-systems/bento4/commit/03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda",
                "target": {
                  "file": "Source/C++/Core/Ap4SampleEntry.cpp",
                  "function": "AP4_VisualSampleEntry::ReadFields"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-14639-e908c25e",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                },
                "source": "https://github.com/axiomatic-systems/bento4/commit/03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda",
                "target": {
                  "file": "Source/C++/Core/Ap4SampleEntry.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:21:12Z"
          }
        }
      ],
      "modified": "2026-10-20T13:21:12.511410866Z",
      "provider": "osv",
      "references": [
        "https://blogs.gentoo.org/ago/2017/09/14/bento4-stack-based-buffer-underflow-in-ap4_visualsampleentryreadfields-ap4sampleentry-cpp/",
        "https://github.com/axiomatic-systems/Bento4/commit/03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda",
        "https://github.com/axiomatic-systems/Bento4/issues/190"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-14639",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387540,
  "published_at": "2017-09-21T17:29:00.2+00:00"
}