CVE-2026-21975

Published Jan 20, 2026

Last updated 3 months ago

Overview

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).
Source
secalert_us@oracle.com
NVD status
Analyzed
Products
java_virtual_machine

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.5
Impact score
3.6
Exploitability score
0.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-404

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.