CVE-2026-62976

{
  "etk_id": "ETK-2026-4418",
  "cve_id": "CVE-2026-62976",
  "display_id": "CVE-2026-62976",
  "ghsa_id": "GHSA-32jj-x86x-w98w",
  "euvd_id": "EUVD-2026-125691",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Out-of-bounds read in bacnet-stack RAMFS file handling",
  "summary": "bacnet-stack versions before 1.5.1 mishandle record accounting for RAMFS-backed FILE objects. An attacker able to submit consecutive record-access append requests through AtomicWriteFile can trigger a read beyond a heap allocation.",
  "mitigation": "Upgrade bacnet-stack to version 1.5.1 or later. Restrict access to AtomicWriteFile operations until the update is deployed.",
  "vendor": "bacnet-stack",
  "product": "bacnet-stack",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "1.5.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.5.1",
        "1.6.0"
      ],
      "package_name": "bacnet-stack",
      "purl": null
    }
  ],
  "cwes": [
    125
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 20.020247033333334,
  "t0_at": "2026-11-13T18:39:25.636000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-13T18:39:25.636000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-13T18:39:25.636000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-62976"
    }
  }
}