CVE-2026-21975

{"id": "CVE-2026-21975", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21975", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-21T14:35:27.758532Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert_us@oracle.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 0.9}]}, "affected": [{"source": "secalert_us@oracle.com", "affectedData": [{"vendor": "Oracle Corporation", "product": "Oracle Database Server", "versions": [{"status": "affected", "version": "19.3", "versionType": "custom", "lessThanOrEqual": "19.29"}, {"status": "affected", "version": "21.3", "versionType": "custom", "lessThanOrEqual": "21.20"}]}]}], "published": "2026-01-20T22:16:00.707", "references": [{"url": "https://www.oracle.com/security-alerts/cpujan2026.html", "tags": ["Vendor Advisory"], "source": "secalert_us@oracle.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-404"}]}], "descriptions": [{"lang": "en", "value": "Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.29 and 21.3-21.20. Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.1 Base Score 4.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H)."}, {"lang": "es", "value": "Vulnerabilidad en el componente Java VM de Oracle Database Server. Versiones compatibles que est\u00e1n afectadas son 19.3-19.29 y 21.3-21.20. Vulnerabilidad f\u00e1cilmente explotable permite a un atacante con altos privilegios que tiene privilegio de Usuario Autenticado con acceso a la red a trav\u00e9s de Oracle Net comprometer Java VM. Ataques exitosos requieren interacci\u00f3n humana de una persona distinta al atacante. Ataques exitosos de esta vulnerabilidad pueden resultar en la capacidad no autorizada de causar un cuelgue o un fallo repetible con frecuencia (DoS completo) de Java VM. Puntuaci\u00f3n Base CVSS 3.1 4.5 (Impactos en la disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H)."}], "lastModified": "2026-06-17T10:19:15.947", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:java_virtual_machine:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23A2CF85-43BC-4DC4-AD84-C944335BB35D", "versionEndIncluding": "19.29", "versionStartIncluding": "19.3"}, {"criteria": "cpe:2.3:a:oracle:java_virtual_machine:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A716A4D-77C8-4939-9AC2-03FD6C19735B", "versionEndIncluding": "21.20", "versionStartIncluding": "21.3"}], "operator": "OR"}]}], "sourceIdentifier": "secalert_us@oracle.com"}