CVE-2026-71084

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{"affected": [{"affectedData": [{"product": "MySQL Connectors", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "26.7.0", "versionType": "semver"}]}], "source": "secalert_us@oracle.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:mysql_connector\\/odbc:26.7.0:*:*:*:*:*:*:*", "matchCriteriaId": "9254FEF8-3597-49C2-9011-D0E61FE359E0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Connectors executes to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H)."}, {"lang": "es", "value": "Vulnerabilidad en el producto MySQL Connectors de Oracle MySQL (componente: Connector/ODBC). La versi\u00f3n compatible afectada es la 26.7.0. La vulnerabilidad f\u00e1cilmente explotable permite a un atacante no autenticado con inicio de sesi\u00f3n en la infraestructura donde se ejecuta MySQL Connectors comprometer MySQL Connectors. Los ataques exitosos de esta vulnerabilidad pueden resultar en la capacidad no autorizada de causar un bloqueo o una ca\u00edda frecuentemente repetible (DoS completo) de MySQL Connectors y acceso de lectura no autorizado a un subconjunto de datos accesibles de MySQL Connectors. Puntuaci\u00f3n Base CVSS 3.1 6.8 (impactos en la Confidencialidad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H)."}], "id": "CVE-2026-71084", "lastModified": "2026-10-22T17:09:59.477", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 4.2, "source": "secalert_us@oracle.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-71084", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-19T15:00:53.299414Z", "version": "2.0.3"}}]}, "published": "2026-08-18T21:18:08.637", "references": [{"source": "secalert_us@oracle.com", "tags": ["Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cspuaug2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "mysql-connector-odbc: MySQL Connector/ODBC: Denial of Service via unauthenticated local access", "id": "2519277", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519277"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Connectors executes to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H).", "A flaw was found in mysql-connector-odbc. An unauthenticated attacker with local logon access to the infrastructure where MySQL Connectors executes can exploit this vulnerability. This can lead to a complete denial of service (DoS) by causing the component to crash repeatedly. Additionally, the attacker may gain unauthorized read access to a subset of data accessible by MySQL Connectors."], "name": "CVE-2026-71084", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "mysql-connector-odbc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "mysql-connector-odbc", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-08-18T21:03:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-71084\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-71084\nhttps://www.oracle.com/security-alerts/cspuaug2026.html"], "threat_severity": "Moderate"}

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