{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21975","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","state":"PUBLISHED","assignerShortName":"oracle","dateReserved":"2026-01-05T18:07:34.716Z","datePublished":"2026-01-20T21:56:36.948Z","dateUpdated":"2026-01-21T14:36:01.703Z"},"containers":{"cna":{"providerMetadata":{"orgId":"43595867-4340-4103-b7a2-9a5208d29a85","shortName":"oracle","dateUpdated":"2026-01-20T21:56:36.948Z"},"problemTypes":[{"descriptions":[{"lang":"en-US","description":"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."}]}],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Database Server","versions":[{"version":"19.3","status":"affected","lessThanOrEqual":"19.29","versionType":"custom"},{"version":"21.3","status":"affected","lessThanOrEqual":"21.20","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:database_-_java_vm:*:*:*:*:*:*:*:*","versionStartIncluding":"19.3","versionEndIncluding":"19.29"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:database_-_java_vm:*:*:*:*:*:*:*:*","versionStartIncluding":"21.3","versionEndIncluding":"21.20"}]}]}],"descriptions":[{"lang":"en-US","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)."}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2026.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","baseScore":4.5,"baseSeverity":"MEDIUM"}}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-404","lang":"en","description":"CWE-404 Improper Resource Shutdown or Release"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-21T14:35:27.758532Z","id":"CVE-2026-21975","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-21T14:36:01.703Z"}}]}}