GPAC AIT Parser ait.c gf_m2ts_decode_ait out-of-bounds write

{
  "id": "663d5264aa047d9f613820885cb9e5b87453cc541bfea2eb8d61db71aa9d4e6f",
  "url": "https://osv.dev/vulnerability/CVE-2026-109827",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "GPAC AIT Parser ait.c gf_m2ts_decode_ait out-of-bounds write",
    "summary": "A vulnerability has been found in GPAC up to 26.07.0. This vulnerability affects the function gf_m2ts_decode_ait of the file src/media_tools/ait.c of the component AIT Parser. Such manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 6d2c21a1a688abb20d0111b608db3b6f44d348f4. Applying a patch is advised to resolve this issue.",
    "evidence": "osv:CVE-2026-109827",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-109827",
      "aliases": [
        "CVE-2026-109827"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpac/gpac",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a07cbfff238a331233e11e916f9fb185d5da8604"
                },
                {
                  "fixed": "6d2c21a1a688abb20d0111b608db3b6f44d348f4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "26.07"
                      },
                      {
                        "last_affected": "26.07"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6d2c21a1a688abb20d0111b608db3b6f44d348f4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "26.07",
            "abi-16.27",
            "abi-16.26",
            "abi-16.25",
            "abi-16.24",
            "abi-16.23",
            "abi-16.22",
            "v26.07.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109827.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.452164055Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpac/gpac/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109827.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-109827",
        "https://vuldb.com/cve/CVE-2026-109827",
        "https://vuldb.com/submit/1001680",
        "https://vuldb.com/vuln/417465",
        "https://github.com/gpac/gpac/issues/3930",
        "https://vuldb.com/vuln/417465/cti",
        "https://github.com/gpac/gpac/commit/6d2c21a1a688abb20d0111b608db3b6f44d348f4",
        "https://github.com/gpac/gpac/pull/3932",
        "https://www.mediafire.com/file/zbpfhkgaf18cntf/poc_gpac_g1.zip/file"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-787"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109827.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-109827",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509944,
  "published_at": "2026-10-13T16:45:16.965+00:00"
}