CVE-2026-127029

{
  "etk_id": "ETK-2026-4291",
  "cve_id": "CVE-2026-127029",
  "display_id": "CVE-2026-127029",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-124535",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stack buffer overflow in FreeRADIUS EAP-SIM",
  "summary": "FreeRADIUS EAP-SIM processing on Red Hat Enterprise Linux 10 is affected by a stack buffer overflow. An unauthenticated remote attacker may crash the authentication service, causing denial of service, if they can send EAP-SIM authentication requests to the server.",
  "mitigation": "Restrict EAP-SIM authentication access to trusted networks and clients until an update is available. Monitor Red Hat package updates and apply the vendor-provided FreeRADIUS fix when released.",
  "vendor": "Red Hat",
  "product": "Red Hat Enterprise Linux 10",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "freeradius",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "freeradius:3.0/freeradius",
      "purl": null
    }
  ],
  "cwes": [
    787
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 53.584725516666666,
  "t0_at": "2026-11-12T16:21:48.973000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-12T16:21:48.973000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T16:21:48.973000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-127029"
    }
  }
}