CVE-2019-17639

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{"affected": [{"affectedData": [{"product": "Eclipse OpenJ9", "vendor": "The Eclipse Foundation", "versions": [{"status": "affected", "version": "<= 0.21"}]}], "source": "emo@eclipse.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*", "matchCriteriaId": "627C30CD-994C-431D-81D2-3EB046120698", "versionEndIncluding": "0.20.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:eclipse:openj9:0.21.0:-:*:*:*:*:*:*", "matchCriteriaId": "4E0E38B6-9375-48AC-8CE7-D87E44BAB407", "vulnerable": true}, {"criteria": "cpe:2.3:a:eclipse:openj9:0.21.0:milestone1:*:*:*:*:*:*", "matchCriteriaId": "F9504E99-47E1-465D-B17A-04D17F3ADF3A", "vulnerable": true}, {"criteria": "cpe:2.3:a:eclipse:openj9:0.21.0:milestone2:*:*:*:*:*:*", "matchCriteriaId": "367F002C-C718-4862-85C8-4B772B67EE23", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Eclipse OpenJ9 prior to version 0.21 on Power platforms, calling the System.arraycopy method with a length longer than the length of the source or destination array can, in certain specially crafted code patterns, cause the current method to return prematurely with an undefined return value. This allows whatever value happens to be in the return register at that time to be used as if it matches the method's declared return type."}, {"lang": "es", "value": "En Eclipse OpenJ9 anterior a la versi\u00f3n 0.21 en plataformas Power, llamar al m\u00e9todo System.arraycopy con una longitud mayor que la longitud de la matriz de origen o destino puede, en determinados patrones de c\u00f3digo especialmente dise\u00f1ados, hacer que el m\u00e9todo actual regrese prematuramente con un valor de retorno indefinido. Esto permite que cualquier valor que est\u00e9 en el registro de retorno en ese momento sea usado como si coincide con el tipo de retorno declarado del m\u00e9todo"}], "id": "CVE-2019-17639", "lastModified": "2026-06-17T02:24:19.670", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-15T22:15:13.577", "references": [{"source": "emo@eclipse.org", "tags": ["Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=563998"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=563998"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "emo@eclipse.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-843"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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