CVE-2026-107821

{
  "etk_id": "ETK-2026-1114",
  "cve_id": "CVE-2026-107821",
  "display_id": "CVE-2026-107821",
  "ghsa_id": "GHSA-c4gx-34mg-95q5",
  "euvd_id": "EUVD-2026-95921",
  "status": "published",
  "anchor_state": "anchored",
  "title": "FRM metadata validation flaw in MariaDB Server",
  "summary": "Affected MariaDB Server releases insufficiently validate binary FRM metadata when opening table files. An attacker able to place a crafted FRM file in the server data directory could cause out-of-bounds memory access, crash the server, or potentially execute code.",
  "mitigation": "Upgrade unnamed to 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2 or later.",
  "vendor": "MariaDB",
  "product": "Server",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "10.6.1-10.6.27",
        "10.11.1-10.11.18",
        "11.4.1-11.4.12",
        "11.8.1-11.8.8",
        "12.3.1-12.3.2",
        "13.0.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.6.28",
        "10.11.19",
        "11.4.13",
        "11.8.9",
        "12.3.3",
        "13.0.2"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    1285
  ],
  "cvss_score": 8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": 0.0076,
  "epss_percentile": 0.5445,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 20.12697325,
  "t0_at": "2026-10-09T17:27:16.316000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-14T23:48:49.090025+00:00",
      "days": 5.264962662326389,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T17:27:16.316000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-10-14T00:49:47+00:00",
      "days": 4.307299583333333,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T17:27:16.316000+00:00",
      "url": "https://github.com/pinebudweiser/CVE-2026-107821-PoC"
    },
    "trigger_signal": {
      "at": "2026-10-09T17:27:16.316000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T17:27:16.316000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-107821"
    }
  }
}