CVE-2026-116788

{
  "etk_id": "ETK-2026-3669",
  "cve_id": "CVE-2026-116788",
  "display_id": "CVE-2026-116788",
  "ghsa_id": "GHSA-f73w-xph4-pjp3",
  "euvd_id": "EUVD-2026-117755",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap buffer overflow in FreeSWITCH XML decoding",
  "summary": "FreeSWITCH releases before 1.11.2 are affected by a heap buffer overflow during XML decoding. An unauthenticated attacker able to reach a SIP profile with presence management enabled and DTD processing allowed can corrupt heap memory and terminate the FreeSWITCH process, disrupting active calls.",
  "mitigation": "Upgrade FreeSWITCH to version 1.11.2 or later. Until upgrading, restrict access to affected SIP profiles and disable DTD processing or presence management where operationally feasible.",
  "vendor": "signalwire",
  "product": "freeswitch",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.11.1"
      ],
      "ecosystem": "c",
      "fixed_versions": [
        ">= 1.11.2"
      ],
      "package_name": "FreeSWITCH",
      "purl": null
    }
  ],
  "cwes": [
    122
  ],
  "cvss_score": 8.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 68.29584138333334,
  "t0_at": "2026-11-05T19:39:44.929000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-05T19:39:44.929000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T19:39:44.929000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-116788"
    }
  }
}