Security advisory

{
  "id": "a303af224c8e085174fe6aeedc2ae9b12dece8fffb332e6ee5e46f944190340e",
  "url": "https://osv.dev/vulnerability/CVE-2021-32268",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32268",
    "summary": "Buffer overflow vulnerability in function gf_fprintf in os_file.c in gpac before 1.0.1 allows attackers to execute arbitrary code. The fixed version is 1.0.1.",
    "evidence": "osv:CVE-2021-32268",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-32268",
      "aliases": [
        "CVE-2021-32268"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpac/gpac",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
                },
                {
                  "fixed": "388ecce75d05e11fc8496aa4857b91245007d26e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "388ecce75d05e11fc8496aa4857b91245007d26e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.7.1",
            "v0.7.0",
            "v0.6.0",
            "v0.5.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32268.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-32268-61fd09f0",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "101966874137600457062318581365880014768",
                    "242204157285446755669470615025840660703",
                    "149911566461507033712333893875830709830",
                    "211334708246272339685757208751067417126"
                  ]
                },
                "source": "https://github.com/gpac/gpac/commit/388ecce75d05e11fc8496aa4857b91245007d26e",
                "target": {
                  "file": "src/isomedia/box_code_base.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-32268-6928ebdb",
                "digest": {
                  "length": 302,
                  "function_hash": "81940600241109754276903237059028809622"
                },
                "source": "https://github.com/gpac/gpac/commit/388ecce75d05e11fc8496aa4857b91245007d26e",
                "target": {
                  "file": "src/isomedia/box_code_base.c",
                  "function": "url_box_read"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:23:42Z"
          }
        }
      ],
      "modified": "2026-10-20T14:23:42.516771567Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpac/gpac/commit/388ecce75d05e11fc8496aa4857b91245007d26e",
        "https://github.com/gpac/gpac/issues/1587"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-32268",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388882,
  "published_at": "2021-09-20T16:15:09.96+00:00"
}