Medium [CVE-2026-21925] Improve JMX connections (Oracle CPU 2026-01)
This medium-severity Red Hat Linux advisory covers CVE-2026-21925 affecting Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 1.
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Summary
Improve JMX connections (Oracle CPU 2026-01). Red Hat rates this moderate (CVSS 4.8).
Weakness: CWE-322. Affected package(s): java.
Resolved in Red Hat advisory RHSA-2026:0895 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.
- java-1.8.0-ibm-1:1.8.0.8.60-1.el8_10
- java-11-openjdk-1:11.0.30.0.7-1.el7_9
- java-25-openjdk-1:25.0.2.0.10-1.el10
- java-1.8.0-openjdk-1:1.8.0.482.b08-1.el7_9
- java-25-openjdk-windows
- java-21-openjdk-portable
- java-21-openjdk-1:21.0.10.0.7-1.el9
- java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9
- java-21-openjdk-windows
- java-25-openjdk-1:25.0.2.0.10-1.el9
- java-21-openjdk-1:21.0.10.0.7-1.el8
- java-21-openjdk-1:21.0.10.0.7-1.el10
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:0895
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:0895 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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