CVE-2025-52290

{
  "etk_id": "ETK-2026-2117",
  "cve_id": "CVE-2025-52290",
  "display_id": "CVE-2025-52290",
  "ghsa_id": "GHSA-wv9f-x489-g252",
  "euvd_id": "EUVD-2025-211132",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Null pointer dereference in FFmpeg H.264 processing",
  "summary": "FFmpeg build N-119856-gbe46370941 is affected by a null pointer dereference during H.264 media handling. An attacker may disrupt service by supplying media that triggers the fault when the affected build processes it.",
  "mitigation": "Replace the affected FFmpeg build with a vendor-supported build that includes the correction when one is identified. Until then, restrict processing of untrusted media and isolate FFmpeg-backed media processing services.",
  "vendor": null,
  "product": "FFmpeg",
  "affected": [
    {
      "affected_notes": [
        "n/a"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "n/a",
      "purl": null
    }
  ],
  "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": 0.0042,
  "epss_percentile": 0.3489,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 12.434904466666667,
  "t0_at": "2026-10-19T00:00:00+00:00",
  "signals": {
    "check": {
      "at": "2026-10-20T04:04:31.584549+00:00",
      "days": 1.1698100063541668,
      "is_lower_bound": false,
      "measured_at": "2026-10-19T00:00:00+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-19T00:00:00+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-19T00:00:00+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-52290"
    }
  }
}