CVE-2026-91135

{
  "etk_id": "ETK-2026-328",
  "cve_id": "CVE-2026-91135",
  "display_id": "CVE-2026-91135",
  "ghsa_id": "GHSA-3gv9-wqfp-2rf3",
  "euvd_id": "EUVD-2026-91374",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap buffer overflow in Apache Thrift C++ THeaderTransport",
  "summary": "Apache Thrift releases before 0.25.0 have a heap memory-safety flaw in the C++ THeaderTransport ZLIB frame-processing path. A remote peer may trigger out-of-bounds memory access when an application enables this transformation and handles peer-supplied frame content.",
  "mitigation": "Upgrade the thrift package to version 0.25.0. Until upgrading, disable ZLIB transformation for THeaderTransport where operationally possible.",
  "vendor": "Apache Software Foundation",
  "product": "Apache Thrift",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 0.25.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "0.25.0"
      ],
      "package_name": "thrift",
      "purl": null
    }
  ],
  "cwes": [
    122
  ],
  "cvss_score": 9.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0046,
  "epss_percentile": 0.3863,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 39.23797161666667,
  "t0_at": "2026-10-02T10:28:50.745000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-02T10:28:50.745000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T10:28:50.745000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-91135"
    }
  }
}