ETK-2026-2210Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-2210",
  "cve_id": null,
  "display_id": "ETK-2026-2210",
  "ghsa_id": "GHSA-6fj4-rcr3-r7rr",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Unbounded recursion in lopdf PDF parsing",
  "summary": "lopdf versions through 0.41.0 are affected when parsing PDF documents with excessively nested objects. An attacker who can provide a PDF to an application using lopdf can cause the application process to terminate, resulting in denial of service.",
  "mitigation": "Upgrade lopdf to version 0.42.0 or later. Until upgraded, do not process untrusted PDFs with affected versions.",
  "vendor": "rust",
  "product": "rust:lopdf",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 0.42.0"
      ],
      "ecosystem": "rust",
      "fixed_versions": [
        "0.42.0"
      ],
      "package_name": "lopdf",
      "purl": "pkg:cargo/lopdf"
    }
  ],
  "cwes": null,
  "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": "assessed",
  "exploit": false,
  "pipeline_minutes": 30.564608533333335,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-20T20:17:59.000079+00:00",
      "days": -0.28042904980324074,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T03:01:48.114574+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-10-16T19:55:39+00:00",
      "days": -4.295938309976852,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T03:01:48.114574+00:00",
      "url": "https://github.com/advisories/GHSA-6fj4-rcr3-r7rr"
    },
    "trigger_signal": {
      "at": "2026-10-16T19:55:39+00:00",
      "days": -4.295938309976852,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T03:01:48.114574+00:00",
      "url": "https://github.com/advisories/GHSA-6fj4-rcr3-r7rr"
    }
  }
}