CVE-2026-120208

{
  "etk_id": "ETK-2026-3194",
  "cve_id": "CVE-2026-120208",
  "display_id": "CVE-2026-120208",
  "ghsa_id": "GHSA-wqmc-6h9q-v6wp",
  "euvd_id": "EUVD-2026-114729",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap buffer overflow in strukturag libheif",
  "summary": "strukturag libheif versions 1.18.0 through 1.23.2 are affected by a heap buffer overflow during HEIF image decoding. An attacker may cause out-of-bounds heap writes and potentially execute code if an application processes a crafted HEIF file with mismatched chroma-component bit depths.",
  "mitigation": "Upgrade strukturag libheif to version 1.23.3 or later. Until upgraded, restrict processing of untrusted HEIF files.",
  "vendor": "strukturag",
  "product": "libheif",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 1.18.0, < 1.23.3"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.23.3"
      ],
      "package_name": "libheif",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 31.476546766666665,
  "t0_at": "2026-10-31T17:25:55.507000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-31T17:25:55.507000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-31T17:25:55.507000+00:00",
      "url": "https://github.com/advisories/GHSA-wqmc-6h9q-v6wp"
    }
  }
}