CVE-2026-85748

{
  "etk_id": "ETK-2026-1793",
  "cve_id": "CVE-2026-85748",
  "display_id": "CVE-2026-85748",
  "ghsa_id": "GHSA-mv8g-9f7q-hprm",
  "euvd_id": "EUVD-2026-102941",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Use-after-free in MariaDB Server SYS_REFCURSOR handling",
  "summary": "MariaDB Server versions affected by the advisory have a use-after-free in SYS_REFCURSOR handling. A low-privileged attacker able to use routines with SYS_REFCURSOR may trigger the flaw by causing cursor-array reallocation; the advisory states that code execution requires another vulnerability.",
  "mitigation": "Upgrade unnamed to 12.3.3, 13.0.2 or later.",
  "vendor": "MariaDB",
  "product": "Server",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "12.3.1-12.3.2",
        "13.0.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "12.3.3",
        "13.0.2"
      ],
      "package_name": null,
      "purl": null
    }
  ],
  "cwes": [
    416
  ],
  "cvss_score": 9.9,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": 0.0055,
  "epss_percentile": 0.4472,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.977961783333333,
  "t0_at": "2026-10-16T16:28:55.829000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-10-18T19:18:24+00:00",
      "days": 2.117687164351852,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T16:28:55.829000+00:00",
      "url": "https://github.com/SeanDishman/mariadb-cve-2026-92262"
    },
    "trigger_signal": {
      "at": "2026-10-16T16:28:55.829000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T16:28:55.829000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-85748"
    }
  }
}