Bug 2429924 (CVE-2026-21925)

Summary: CVE-2026-21925 openjdk: Improve JMX connections (Oracle CPU 2026-01)
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: ahughes, fferrari, fitzsim, khosford, mtorre, neugens, pjindal, rhel-process-autobot, security-response-team, tfitzsim, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Deadline: 2026-01-20   

Description OSIDB Bzimport 2026-01-15 12:02:11 UTC
A client RMI TCP endpoint connects to the remote host without setting
an endpoint identification algorithm which could allow MITM attacks.

Comment 1 errata-xmlrpc 2026-01-26 14:15:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:0931 https://access.redhat.com/errata/RHSA-2026:0931

Comment 4 errata-xmlrpc 2026-03-17 19:26:04 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:4832 https://access.redhat.com/errata/RHSA-2026:4832