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CVE-2025-15282

Estado: AplazadaMedia (6)—

User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Python — UrllibAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-15282",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-15282",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-21T15:40:21.188269Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@python.org",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 6,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "LOW",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cna@python.org",
      "affectedData": [
        {
          "repo": "https://github.com/python/cpython",
          "vendor": "Python Software Foundation",
          "modules": [
            "urllib"
          ],
          "product": "CPython",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "3.10.20",
              "versionType": "python"
            },
            {
              "status": "affected",
              "version": "3.11.0",
              "lessThan": "3.11.15",
              "versionType": "python"
            },
            {
              "status": "affected",
              "version": "3.12.0",
              "lessThan": "3.12.13",
              "versionType": "python"
            },
            {
              "status": "affected",
              "version": "3.13.0",
              "lessThan": "3.13.12",
              "versionType": "python"
            },
            {
              "status": "affected",
              "version": "3.14.0",
              "lessThan": "3.14.3",
              "versionType": "python"
            },
            {
              "status": "affected",
              "version": "3.15.0a1",
              "lessThan": "3.15.0a6",
              "versionType": "python"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-01-20T22:15:50.883",
  "references": [
    {
      "url": "https://github.com/python/cpython/commit/05356b1cc153108aaf27f3b72ce438af4aa218c0",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/commit/34d76b00dabde81a793bd06dd8ecb057838c4b38",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/commit/3f396ca9d7bbe2a50ea6b8c9b27c0082884d9f80",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/commit/4ed11d3cd288e6b90196a15c5a825a45d318fe47",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/commit/a35ca3be5842505dab74dc0b90b89cde0405017a",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/commit/f25509e78e8be6ea73c811ac2b8c928c28841b9f",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/issues/143925",
      "source": "cna@python.org"
    },
    {
      "url": "https://github.com/python/cpython/pull/143926",
      "source": "cna@python.org"
    },
    {
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/X66HL7SISGJT33J53OHXMZT4DFLMHVKF/",
      "source": "cna@python.org"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@python.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-93"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype."
    },
    {
      "lang": "es",
      "value": "URLs de datos controladas por el usuario analizadas por urllib.request.DataHandler permiten la inyección de encabezados a través de nuevas líneas en el tipo de medio de la URL de datos."
    }
  ],
  "lastModified": "2026-06-17T08:37:31.580",
  "sourceIdentifier": "cna@python.org"
}