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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).

PUBLISHED Reserved 2026-01-05 | Published 2026-01-20 | Updated 2026-01-21 | Assigner oracle




MEDIUM: 4.5CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Problem types

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.

Product status

19.3 (custom)
affected

21.3 (custom)
affected

References

www.oracle.com/security-alerts/cpujan2026.html (Oracle Advisory) vendor-advisory

cve.org (CVE-2026-21975)

nvd.nist.gov (CVE-2026-21975)

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