CVE-2026-120752

{
  "etk_id": "ETK-2026-3323",
  "cve_id": "CVE-2026-120752",
  "display_id": "CVE-2026-120752",
  "ghsa_id": "GHSA-x2mr-6hpr-g257",
  "euvd_id": "EUVD-2026-115640",
  "status": "published",
  "anchor_state": "anchored",
  "title": "PyMuPDF stack-based buffer overflow in annotation handling",
  "summary": "PyMuPDF versions 1.25.3 through versions before 2.0 are affected by a stack-based buffer overflow when processing free-text annotation callout data. An attacker may crash the process or execute code if they can control the callout data passed to the annotation API.",
  "mitigation": "Upgrade PyMuPDF to version 2.0 or later. Until upgraded, do not pass untrusted callout data to free-text annotation creation.",
  "vendor": "PyMuPDF",
  "product": "PyMuPDF",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 1.25.3, < 2.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.0"
      ],
      "package_name": "PyMuPDF",
      "purl": null
    }
  ],
  "cwes": [
    121
  ],
  "cvss_score": 7.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 14.439264983333333,
  "t0_at": "2026-11-02T22:16:12.885000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-03T02:16:52.645184+00:00",
      "days": 0.16712685398148147,
      "is_lower_bound": false,
      "measured_at": "2026-11-02T22:16:12.885000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-02T22:16:12.885000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-02T22:16:12.885000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-120752"
    }
  }
}