{"cve":"CVE-2026-21975","nvd":{"published":"2026-01-20T22:16:00.707","modified":"2026-06-17T10:19:15.947","status":"Analyzed","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","score":4.5},"cwes":["CWE-404"],"references":["https://www.oracle.com/security-alerts/cpujan2026.html"],"products":["oracle:java_virtual_machine"],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-21975","score":0.00257,"percentile":0.17379,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}