{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "afca1f1181668d85941d51ed1adf647807d5d975"
            },
            {
              "fixed": "2aa431eaf732c1a7e9a966ea12049fc001d91e04"
            }
          ],
          "repo": "https://github.com/gpac/gpac",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-119",
      "CWE-122"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91088.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "f1219cde"
          },
          {
            "last_affected": "f1219cde"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A vulnerability has been found in GPAC up to f1219cde. This issue affects the function gf_url_concatenate_ex of the file utils/url.c of the component URL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. Upgrading to version abi-16.23 is capable of addressing this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.",
  "id": "CVE-2026-91088",
  "modified": "2026-09-17T03:30:24.859846077Z",
  "published": "2026-09-15T07:00:15.186Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/gpac/gpac/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91088.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91088"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-91088"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/919757"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/403650"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/gpac/gpac/issues/3808"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/403650/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975"
    },
    {
      "type": "FIX",
      "url": "https://github.com/gpac/gpac/releases/tag/abi-16.23"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "GPAC URL url.c gf_url_concatenate_ex heap-based overflow"
}