CVE-2026-21975 Details
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).
A denial-of-service vulnerability has been identified in the Java VM component of Oracle Database Server. This issue affects versions 19.3 through 19.29 and 21.3 through 21.20. The vulnerability is easily exploitable by a high-privileged attacker with Authenticated User rights and network access via Oracle Net. Exploitation requires human interaction from a third party. Successful attacks can lead to a complete hang or a frequently repeatable crash of the Java VM.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 21, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.oracle.com/security-alerts/cpujan2026.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-404 | Improper Resource Shutdown or Release | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| oracle java virtual machine | >= 19.3, <= 19.29 >= 21.3, <= 21.20 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 29, 2026 | Initial Analysis | [email protected] |
| Jan 21, 2026 | CVE Modified | CISA-ADP |
| Jan 20, 2026 | New CVE Received | [email protected] |