CVE-2026-21975

MEDIUM

Oracle Java VM 19.3-19.29 and 21.3-21.20 - Authenticated Denial of Service via Oracle Net

Title source: llm
STIX 2.1

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).

References (1)

Core 1
Core References

Scores

CVSS v3 4.5
EPSS 0.0022
EPSS Percentile 11.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (1)
oracle/java_virtual_machine 19.3 - 19.29
Published Jan 20, 2026
Tracked Since Feb 18, 2026