CVE-2020-27221

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{"affected": [{"affectedData": [{"product": "Eclipse OpenJ9", "vendor": "The Eclipse Foundation", "versions": [{"lessThanOrEqual": "0.23", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "emo@eclipse.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*", "matchCriteriaId": "9DE20D12-8EDF-437A-B6D7-950C495A520E", "versionEndIncluding": "0.23.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding."}, {"lang": "es", "value": "En Eclipse OpenJ9 hasta la versi\u00f3n 0.23 incluy\u00e9ndola, se presenta un potencial desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria cuando la m\u00e1quina virtual o nativas de JNI est\u00e1n convirtiendo caracteres UTF-8 a la codificaci\u00f3n de plataforma"}], "id": "CVE-2020-27221", "lastModified": "2026-06-17T03:08:59.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-21T05:15:10.600", "references": [{"source": "emo@eclipse.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "emo@eclipse.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:0717", "cpe": "cpe:/a:redhat:rhel_extras:7", "package": "java-1.8.0-ibm-1:1.8.0.6.25-1jpp.1.el7", "product_name": "Red Hat Enterprise Linux 7 Supplementary", "release_date": "2021-03-04T00:00:00Z"}, {"advisory": "RHSA-2021:0733", "cpe": "cpe:/a:redhat:rhel_extras:7", "package": "java-1.7.1-ibm-1:1.7.1.4.80-1jpp.1.el7", "product_name": "Red Hat Enterprise Linux 7 Supplementary", "release_date": "2021-03-04T00:00:00Z"}, {"advisory": "RHSA-2021:0736", "cpe": "cpe:/a:redhat:enterprise_linux:8::supplementary", "package": "java-1.8.0-ibm-1:1.8.0.6.25-2.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-03-04T00:00:00Z"}], "bugzilla": {"description": "JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding", "id": "1928555", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1928555"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding."], "name": "CVE-2020-27221", "public_date": "2021-02-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-27221\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27221"], "threat_severity": "Critical"}

{}