CVE-2026-127030

{
  "etk_id": "ETK-2026-4292",
  "cve_id": "CVE-2026-127030",
  "display_id": "CVE-2026-127030",
  "ghsa_id": "GHSA-6gv4-m6gx-m32r",
  "euvd_id": "EUVD-2026-124536",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stack buffer overflow in FreeRADIUS EAP-FAST",
  "summary": "FreeRADIUS packages on Red Hat Enterprise Linux 10 are affected when the EAP-FAST module processes session tickets. An unauthenticated remote party may cause the RADIUS server process to stop responding; EAP-FAST ticket handling must be enabled and reachable for exposure.",
  "mitigation": "Disable EAP-FAST where it is not required and limit access to the RADIUS service to trusted network sources. Apply the vendor-provided update when available; no fixed version is recorded in the supplied package data.",
  "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": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 60.461423616666664,
  "t0_at": "2026-11-12T16:21:52.568000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-12T17:16:27.188685+00:00",
      "days": 0.03790070237268518,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T16:21:52.568000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-12T16:21:52.568000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T16:21:52.568000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-127030"
    }
  }
}