CVE-2025-11849

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{"affected": [{"affectedData": [{"product": "mammoth", "vendor": "n/a", "versions": [{"lessThan": "1.11.0", "status": "affected", "version": "0.3.25", "versionType": "semver"}]}, {"product": "mammoth", "vendor": "n/a", "versions": [{"lessThan": "1.11.0", "status": "affected", "version": "0.3.25", "versionType": "semver"}]}, {"product": "Mammoth", "vendor": "n/a", "versions": [{"lessThan": "1.11.0", "status": "affected", "version": "0", "versionType": "semver"}]}, {"product": "org.zwobble.mammoth:mammoth", "vendor": "n/a", "versions": [{"lessThan": "1.11.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "report@snyk.io"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Versions of the package mammoth from 0.3.25 and before 1.11.0; versions of the package mammoth from 0.3.25 and before 1.11.0; versions of the package mammoth before 1.11.0; versions of the package org.zwobble.mammoth:mammoth before 1.11.0 are vulnerable to Directory Traversal due to the lack of path or file type validation when processing a docx file containing an image with an external link (r:link attribute instead of embedded r:embed). The library resolves the URI to a file path and after reading, the content is encoded as base64 and included in the HTML output as a data URI. An attacker can read arbitrary files on the system where the conversion is performed or cause an excessive resources consumption by crafting a docx file that links to special device files such as /dev/random or /dev/zero."}, {"lang": "es", "value": "Versiones del paquete mammoth desde 0.3.25 y anteriores a 1.11.0; versiones del paquete mammoth desde 0.3.25 y anteriores a 1.11.0; versiones del paquete mammoth anteriores a 1.11.0; versiones del paquete org.zwobble.mammoth:mammoth anteriores a 1.11.0 son vulnerables a salto de directorio debido a la falta de validaci\u00f3n de ruta o tipo de archivo al procesar un archivo docx que contiene una imagen con un enlace externo (atributo r:link en lugar de r:embed incrustado). La biblioteca resuelve la URI a una ruta de archivo y despu\u00e9s de la lectura, el contenido se codifica como base64 y se incluye en la salida HTML como una URI de datos. Un atacante puede leer archivos arbitrarios en el sistema donde se realiza la conversi\u00f3n o causar un consumo excesivo de recursos al crear un archivo docx que enlaza a archivos de dispositivo especiales como /dev/random o /dev/zero."}], "id": "CVE-2025-11849", "lastModified": "2026-10-19T16:10:00.260", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.8, "source": "report@snyk.io", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:H/E:P/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "report@snyk.io", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-11849", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-17T14:24:36.088431Z", "version": "2.0.3"}}]}, "published": "2025-10-17T05:15:33.960", "references": [{"source": "report@snyk.io", "url": "https://gist.github.com/AudunWA/4d690d9ae5efdafe7cf71d9c2ee90a10"}, {"source": "report@snyk.io", "url": "https://github.com/mwilliamson/mammoth.js/commit/c54aaeb43a7941317c1f3c119ffa92090f988820"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-DOTNET-MAMMOTH-13561968"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGZWOBBLEMAMMOTH-13561969"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-JS-MAMMOTH-13554470"}, {"source": "report@snyk.io", "url": "https://security.snyk.io/vuln/SNYK-PYTHON-MAMMOTH-13561967"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://gist.github.com/AudunWA/4d690d9ae5efdafe7cf71d9c2ee90a10"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "report@snyk.io", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-10-20T13:24:49.049093+00:00", "updated": "2025-10-20T13:24:49.049117+00:00", "vendors": ["mammoth", "mammoth$PRODUCT$mammoth", "python", "python$PRODUCT$python"]}