ETK-2026-2426Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-2426",
  "cve_id": null,
  "display_id": "ETK-2026-2426",
  "ghsa_id": "GHSA-8g65-h4j3-62jf",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Malformed PDF denial of service in gxpdf",
  "summary": "github.com/coregx/gxpdf before 0.9.9 can panic when opening a PDF with malformed cross-reference stream fields. An attacker who can supply a PDF to an application using the library may terminate the affected process, particularly where parsing is not protected by panic recovery.",
  "mitigation": "Upgrade github.com/coregx/gxpdf to version 0.9.9. Until upgraded, isolate parsing of untrusted PDFs in a separate process or recover from panics around document-opening calls.",
  "vendor": "go",
  "product": "go:github.com/coregx/gxpdf",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 0.9.9"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "0.9.9"
      ],
      "package_name": "github.com/coregx/gxpdf",
      "purl": "pkg:golang/github.com/coregx/gxpdf"
    }
  ],
  "cwes": [
    129
  ],
  "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": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 13.595615333333333,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-22T11:47:54.637428+00:00",
      "days": -0.02083556625,
      "is_lower_bound": true,
      "measured_at": "2026-10-22T12:17:54.879653+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-22T11:06:27+00:00",
      "days": -0.049627666111111114,
      "is_lower_bound": true,
      "measured_at": "2026-10-22T12:17:54.879653+00:00",
      "url": "https://github.com/coregx/gxpdf/security/advisories/GHSA-8g65-h4j3-62jf"
    }
  }
}