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Vulnerability Details CVE-2026-21975

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).

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 9.4%

CVSS Severity

CVSS v3 Score 4.5

References

https://www.oracle.com/security-alerts/cpujan2026.html

Products affected by CVE-2026-21975

Oracle » Java Virtual Machine » Version: 19.25

cpe:2.3:a:oracle:java_virtual_machine:19.25
Oracle » Java Virtual Machine » Version: 19.26

cpe:2.3:a:oracle:java_virtual_machine:19.26
Oracle » Java Virtual Machine » Version: 19.3

cpe:2.3:a:oracle:java_virtual_machine:19.3
Oracle » Java Virtual Machine » Version: 21.16

cpe:2.3:a:oracle:java_virtual_machine:21.16
Oracle » Java Virtual Machine » Version: 21.17

cpe:2.3:a:oracle:java_virtual_machine:21.17
Oracle » Java Virtual Machine » Version: 21.3

cpe:2.3:a:oracle:java_virtual_machine:21.3

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Vulnerability Details CVE-2026-21975

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