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EUVD-2025-202157

🗓️ 09 Dec 2025 18:30:35Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

Same-origin policy bypass in the Request Handling component affects Mozilla Firefox below 146, Extended Support Release 115.31, and 140.6.

Related
Affected
Refs
[
  {
    "enisaIdVendor": [
      {
        "id": "91d5be69-688d-3c29-adbb-c92af2975a97",
        "vendor": {
          "name": "Mozilla"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0388e4ec-ed3a-3cbf-92c0-b0d58abc3b1e",
        "product": {
          "name": "Firefox ESR"
        },
        "product_version": "unspecified <115.31"
      },
      {
        "id": "0bd8a4e1-3473-3618-a167-5479acce2b50",
        "product": {
          "name": "Firefox ESR"
        },
        "product_version": "unspecified <140.6"
      },
      {
        "id": "50215c65-ce91-302f-82c2-658bdc2484e8",
        "product": {
          "name": "Firefox"
        },
        "product_version": "unspecified <146"
      }
    ]
  }
]

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09 Dec 2025 18:30Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5
EPSS0.00037
SSVC
1