CVE-2026-45819

{
  "id": "CVE-2026-45819",
  "sourceIdentifier": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
  "published": "2026-08-13T12:17:23.383",
  "lastModified": "2026-10-23T19:10:00.167",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "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."
    },
    {
      "lang": "es",
      "value": "baseline-browser-mapping 2.x anterior a 2.11.0 llama a process.exit() en lugar de lanzar una excepción ante parámetros de entrada inválidos o conflictivos, y puede desencadenar la terminación inmediata del proceso, causando denegación de servicio."
    }
  ],
  "affected": [
    {
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
      "affectedData": [
        {
          "vendor": "web-platform-dx",
          "product": "baseline-browser-mapping",
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux",
            "macOS",
            "Windows"
          ],
          "versions": [
            {
              "version": "2.0.0",
              "lessThan": "2.11.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "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",
          "baseScore": 6.6,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "UNREPORTED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NEGLIGIBLE",
          "Automatable": "YES",
          "Recovery": "USER",
          "valueDensity": "DIFFUSE",
          "vulnerabilityResponseEffort": "MODERATE",
          "providerUrgency": "AMBER"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-13T14:45:42.399559Z",
          "id": "CVE-2026-45819",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-705"
        },
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ]
    }
  ],
  "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"
    }
  ]
}