Security advisory

{
  "id": "8c779d610ab4489ed16bb84e5adc0d1fcf2e15a029eaad319e7c053c96cba1b9",
  "url": "https://osv.dev/vulnerability/CVE-2021-30019",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-30019",
    "summary": "In the adts_dmx_process function in filters/reframe_adts.c in GPAC 1.0.1, a crafted file may cause ctx->hdr.frame_size to be smaller than ctx->hdr.hdr_size, resulting in size to be a negative number and a heap overflow in the memcpy.",
    "evidence": "osv:CVE-2021-30019",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-30019",
      "aliases": [
        "CVE-2021-30019"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpac/gpac",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
                },
                {
                  "last_affected": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
                },
                {
                  "fixed": "22774aa9e62f586319c8f107f5bae950fed900bc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.1"
                      },
                      {
                        "last_affected": "1.0.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "22774aa9e62f586319c8f107f5bae950fed900bc"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.1",
            "v1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30019.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-30019-471ca0eb",
                "digest": {
                  "length": 7358,
                  "function_hash": "227599067399516482075011625574724207137"
                },
                "source": "https://github.com/gpac/gpac/commit/22774aa9e62f586319c8f107f5bae950fed900bc",
                "target": {
                  "file": "src/filters/reframe_adts.c",
                  "function": "adts_dmx_process"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-30019-657131c2",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "197185477795747438075566840701096839964",
                    "133582088252870862700942709230991040706",
                    "111509101733101854599458563419876650348"
                  ]
                },
                "source": "https://github.com/gpac/gpac/commit/22774aa9e62f586319c8f107f5bae950fed900bc",
                "target": {
                  "file": "src/filters/reframe_adts.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:22:30Z"
          }
        }
      ],
      "modified": "2026-10-20T14:22:30.908912638Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpac/gpac/commit/22774aa9e62f586319c8f107f5bae950fed900bc",
        "https://github.com/gpac/gpac/issues/1723"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-30019",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388835,
  "published_at": "2021-04-19T20:15:14.49+00:00"
}