CVE-2026-21975

MediumCVSS 4.5/10Last modified Jun 17, 2026

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).

Metrics

CVSS 3.1 4.5/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-404

Affected software

VendorProductVersions
Oracle CorporationOracle Database Server>= 19.3, <= 19.29; >= 21.3, <= 21.20

References

Timeline

Published
Jan 20, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-21975: Medium severity, CVSS 4.5 | Vulnix