ETK-2026-3853Zero's internal tracking ID, independent of the CVE number.

{
  "etk_id": "ETK-2026-3853",
  "cve_id": null,
  "display_id": "ETK-2026-3853",
  "ghsa_id": "GHSA-m3j8-84mj-fw9q",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Memory exhaustion in Rust zip archive parsing",
  "summary": "The Rust `zip` crate version 9.0.4 can consume excessive memory and CPU while opening a crafted ZIP archive. An attacker can cause denial of service if an application passes untrusted archive data to `ZipArchive::new` or `ZipArchive::with_config`.",
  "mitigation": "Upgrade the Rust `zip` crate to version 9.1.0 or later. Until upgraded, avoid opening ZIP archives from untrusted sources in affected services.",
  "vendor": "rust",
  "product": "rust:zip",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 9.0.4"
      ],
      "ecosystem": "rust",
      "fixed_versions": [
        "9.1.0"
      ],
      "package_name": "zip",
      "purl": "pkg:cargo/zip"
    }
  ],
  "cwes": [
    400
  ],
  "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": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 9.69342445,
  "t0_at": null,
  "signals": {
    "public_poc": {
      "at": "2026-11-07T17:36:00+00:00",
      "days": -0.30192868327546296,
      "is_lower_bound": true,
      "measured_at": "2026-11-08T00:50:46.675624+00:00",
      "url": "https://github.com/zip-rs/zip2/security/advisories/GHSA-m3j8-84mj-fw9q"
    },
    "trigger_signal": {
      "at": "2026-11-07T17:36:00+00:00",
      "days": -0.30192868327546296,
      "is_lower_bound": true,
      "measured_at": "2026-11-08T00:50:46.675624+00:00",
      "url": "https://github.com/zip-rs/zip2/security/advisories/GHSA-m3j8-84mj-fw9q"
    }
  }
}