CVE-2026-115482

{
  "etk_id": "ETK-2026-2471",
  "cve_id": "CVE-2026-115482",
  "display_id": "CVE-2026-115482",
  "ghsa_id": "GHSA-mhr4-9xv4-xpwf",
  "euvd_id": "EUVD-2026-108211",
  "status": "in_pipeline",
  "anchor_state": "anchored",
  "title": "HTTP/3 memory exhaustion in lsquic",
  "summary": "lsquic versions before 4.9.0 can consume excessive memory while processing HTTP/3 header data. An attacker able to send HTTP/3 traffic to an affected service may cause resource exhaustion through QPACK header handling.",
  "mitigation": "Upgrade lsquic to version 4.9.0 or later. Until upgrading, reduce exposure by disabling or restricting access to HTTP/3 endpoints where feasible.",
  "vendor": "litespeedtech",
  "product": "lsquic",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 4.9.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.9.0"
      ],
      "package_name": "lsquic",
      "purl": null
    }
  ],
  "cwes": [
    770
  ],
  "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": null,
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": null,
  "t0_at": "2026-10-22T15:07:30.961000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-22T15:07:30.961000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T15:07:30.961000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-115482"
    }
  }
}