CVE-2026-107837

{
  "etk_id": "ETK-2026-1091",
  "cve_id": "CVE-2026-107837",
  "display_id": "CVE-2026-107837",
  "ghsa_id": "GHSA-m8mc-q4p7-p8j3",
  "euvd_id": "EUVD-2026-95932",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Out-of-bounds read in RIOT 6LoWPAN fragment processing",
  "summary": "RIOT versions 2026.07 and earlier can read past a packet buffer while handling certain 6LoWPAN fragments. An attacker able to send malformed 6LoWPAN traffic may expose memory contents or cause the network stack to crash.",
  "mitigation": "Restrict 6LoWPAN traffic to trusted peers and networks, or disable the affected 6LoWPAN functionality where it is not needed. Monitor RIOT upstream for a corrected release; no fixed version is recorded.",
  "vendor": "RIOT-OS",
  "product": "RIOT",
  "affected": [
    {
      "affected_notes": [
        "master (tested on current master branch)"
      ],
      "affected_ranges": [],
      "ecosystem": "riot-os/riot",
      "fixed_versions": [],
      "package_name": "RIOT OS",
      "purl": null
    }
  ],
  "cwes": [
    125
  ],
  "cvss_score": 8.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "epss_score": 0.0038,
  "epss_percentile": 0.303,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 15.579028983333334,
  "t0_at": "2026-10-09T17:53:47.707000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-09T17:53:47.707000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T17:53:47.707000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-107837"
    }
  }
}