CVE-2026-21975: Medium severity Oracle Database Server vulnerability
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).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21975?
CVE-2026-21975 has been classified as an easily exploitable vulnerability that can be compromised by a high privileged attacker.
How do I fix CVE-2026-21975?
To fix CVE-2026-21975, it is recommended to update Oracle Database Server to the latest version that is not affected by this vulnerability.
Which versions of Oracle Database Server are affected by CVE-2026-21975?
CVE-2026-21975 affects Oracle Database Server versions 19.3 to 19.29 and 21.3 to 21.20.
Who is at risk from CVE-2026-21975?
Authenticated users with high privileges and network access via Oracle Net are at risk from CVE-2026-21975.
What components of Oracle Database Server are impacted by CVE-2026-21975?
CVE-2026-21975 specifically impacts the Java VM component of Oracle Database Server.