{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a87464934d3bd1a9b50e019cc439e437cfc4892c"
            }
          ],
          "repo": "https://github.com/osamu620/openhtj2k",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51808.json"
  },
  "details": "Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2k_decoder_impl::invoke, invoke_line_based, invoke_line_based_stream, and invoke_line_based_predecoded function in source/core/interface/decoder.cpp",
  "id": "CVE-2026-51808",
  "modified": "2026-07-17T03:41:49.540586525Z",
  "published": "2026-07-14T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/osamu620/OpenHTJ2K/blob/main/CHANGELOG"
    },
    {
      "type": "WEB",
      "url": "https://github.com/osamu620/OpenHTJ2K/releases/tag/v0.18.5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51808.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-51808"
    },
    {
      "type": "FIX",
      "url": "https://github.com/osamu620/OpenHTJ2K/pull/320"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}