CVE-2026-111441

{
  "etk_id": "ETK-2026-2123",
  "cve_id": "CVE-2026-111441",
  "display_id": "CVE-2026-111441",
  "ghsa_id": "GHSA-8rj5-vp35-h5mx",
  "euvd_id": "EUVD-2026-104052",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap buffer overflow in openGauss-server HLL unpacking",
  "summary": "openGauss-server versions beginning with 2.1.0, including the listed 3.x, 5.x, 6.x, and 7.0.0 release candidates, incorrectly process inconsistent length fields in packed HLL data. A database user who can submit SQL that invokes HLL conversion or related functions can trigger server-side heap memory corruption.",
  "mitigation": "Upgrade openGauss-server to 7.0.0-LTS, which includes the correction for the HLL unpacking checks. Until upgraded, restrict untrusted database users from executing SQL that processes packed HLL values.",
  "vendor": "openGauss-server",
  "product": "openGauss-server",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "openGauss-server",
      "purl": null
    },
    {
      "affected_notes": [
        "7.0.0-RC2 7.0.0-RC3"
      ],
      "affected_ranges": [
        "7.0.0-RC1",
        "2.1.0",
        "3.0.0-3.0.6",
        "3.1.0",
        "5.0.0-5.0.5",
        "6.0.0-6.0.6"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "openGauss-server",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
  "epss_score": 0.004,
  "epss_percentile": 0.333,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 36.1239005,
  "t0_at": "2026-10-19T02:31:01.069000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-19T02:31:01.069000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-19T02:31:01.069000+00:00",
      "url": "https://github.com/advisories/GHSA-8rj5-vp35-h5mx"
    }
  }
}