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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based Buffer Overflow vulnerability in Apache ORC.\n\nA vulnerability has been identified in the ORC C++ LZO decompression logic, where specially crafted malformed ORC files can cause the decompressor to\u00a0allocate a 250-byte buffer but then attempts to copy 295 bytes into it. It causes memory corruption.\n\nThis issue affects Apache ORC C++ library: through 1.8.8, from 1.9.0 through 1.9.5, from 2.0.0 through 2.0.4, from 2.1.0 through 2.1.1.\n\nUsers are recommended to upgrade to version 1.8.9, 1.9.6, 2.0.5, and 2.1.2, which fix the issue."}, {"lang": "es", "value": "Vulnerabilidad de desbordamiento de b\u00fafer basado en mont\u00f3n en Apache ORC. Se ha identificado una vulnerabilidad en la l\u00f3gica de descompresi\u00f3n LZO de ORC C++. Archivos ORC malformados, especialmente manipulados, pueden provocar que el descompresor asigne un b\u00fafer de 250 bytes, pero luego intente copiar 295 bytes en \u00e9l. Esto causa corrupci\u00f3n de memoria. Este problema afecta a la librer\u00eda Apache ORC C++: hasta la versi\u00f3n 1.8.8, de la 1.9.0 a la 1.9.5, de la 2.0.0 a la 2.0.4 y de la 2.1.0 a la 2.1.1. Se recomienda a los usuarios actualizar a las versiones 1.8.9, 1.9.6, 2.0.5 y 2.1.2, que solucionan el problema."}], "id": "CVE-2025-47436", "lastModified": "2025-05-16T14:43:56.797", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NEGLIGIBLE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "HIGH", "providerUrgency": "AMBER", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "HIGH", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/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:N/AU:X/R:X/V:X/RE:M/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "MODERATE"}, "source": "security@apache.org", "type": "Secondary"}]}, "published": "2025-05-14T14:15:30.703", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/kd6tlv8fs5jybmsgxr4vrkdxyc866wrn"}, {"source": "security@apache.org", "url": "https://orc.apache.org/security/CVE-2025-47436/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/05/13/4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security@apache.org", "type": "Primary"}]}

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