{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "release3.4.1"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6782f50de4b7bf60ca3756ffd4287f8258b03fa0"
            },
            {
              "fixed": "f83a8b67ca1c7c62ac0dd548a363d79f767c4e30"
            }
          ],
          "repo": "https://github.com/mrubyc/mrubyc",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38973.json"
  },
  "details": "mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().",
  "id": "CVE-2026-38973",
  "modified": "2026-08-12T03:51:44.028438443Z",
  "published": "2026-07-06T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38973.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-38973"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/mrubyc/mrubyc/issues/279%2C"
    },
    {
      "type": "FIX",
      "url": "https://github.com/mrubyc/mrubyc/commit/f83a8b67ca1c7c62ac0dd548a363d79f767c4e30"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mrubyc/mrubyc"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}