CVE-2026-103000

{
  "etk_id": "ETK-2026-152",
  "cve_id": "CVE-2026-103000",
  "display_id": "CVE-2026-103000",
  "ghsa_id": "GHSA-w23x-9jrw-r45c",
  "euvd_id": "EUVD-2026-90283",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Excessive memory consumption in pypdf page-label handling",
  "summary": "pypdf releases before 6.19.0 can consume excessive memory while retrieving page labels from a specially formed PDF. An attacker may cause an application to become unavailable if it processes such a file and accesses its document page labels.",
  "mitigation": "Upgrade pypdf to version 6.19.0 or later. If an upgrade must be deferred, apply the upstream changes from PR #4096 and restrict processing of untrusted PDFs where page-label retrieval is unnecessary.",
  "vendor": "py-pdf",
  "product": "pypdf",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 6.19.0"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "6.19.0"
      ],
      "package_name": "pypdf",
      "purl": "pkg:pypi/pypdf"
    }
  ],
  "cwes": [
    400
  ],
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0035,
  "epss_percentile": 0.2657,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 10.43490265,
  "t0_at": "2026-09-30T20:13:00.379000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-09-30T20:13:00.379000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T20:13:00.379000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-103000"
    }
  }
}