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CVE-2026-45819

Estado: AplazadaMedia (6.6)—

baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service.

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.

Baseline-browser-mapping — Baseline-browser-mappingAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-45819",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-45819",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-13T14:45:42.399559Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
        "cvssData": {
          "Safety": "NEGLIGIBLE",
          "version": "4.0",
          "Recovery": "USER",
          "baseScore": 6.6,
          "Automatable": "YES",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "DIFFUSE",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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:N/AU:Y/R:U/V:D/RE:M/U:Amber",
          "exploitMaturity": "UNREPORTED",
          "providerUrgency": "AMBER",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "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": "MODERATE",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
      "affectedData": [
        {
          "vendor": "web-platform-dx",
          "product": "baseline-browser-mapping",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.0",
              "lessThan": "2.11.0",
              "versionType": "semver"
            }
          ],
          "platforms": [
            "Linux",
            "macOS",
            "Windows"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-08-13T12:17:23.383",
  "references": [
    {
      "url": "https://github.com/web-platform-dx/baseline-browser-mapping/blob/b7881aa61c8a057e24468ab5ee18c5ecedbbf691/src/index.ts#L142",
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df"
    },
    {
      "url": "https://github.com/web-platform-dx/baseline-browser-mapping/pull/137/changes#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519",
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df"
    },
    {
      "url": "https://www.npmjs.com/package/baseline-browser-mapping",
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
      "description": [
        {
          "lang": "en",
          "value": "CWE-705"
        },
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "baseline-browser-mapping 2.x before 2.11.0 calls process.exit() instead of throwing on invalid or conflicting input parameters, and can trigger immediate process termination, causing denial of service."
    }
  ],
  "lastModified": "2026-09-09T15:52:04.827",
  "sourceIdentifier": "22e2d327-25fe-45d7-9f0c-dcd23b7108df"
}