Bug 2429927 (CVE-2026-21945) - CVE-2026-21945 openjdk: Enhance Certificate Checking (Oracle CPU 2026-01)
Summary: CVE-2026-21945 openjdk: Enhance Certificate Checking (Oracle CPU 2026-01)
Keywords:
Status: NEW
Alias: CVE-2026-21945
Deadline: 2026-01-20
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-15 12:10 UTC by OSIDB Bzimport
Modified: 2026-01-26 14:15 UTC (History)
7 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:0849 0 None None None 2026-01-21 13:48:06 UTC
Red Hat Product Errata RHSA-2026:0931 0 None None None 2026-01-26 14:15:28 UTC

Description OSIDB Bzimport 2026-01-15 12:10:54 UTC 
When AIA is enabled, a client can send its leaf cert without the full
chain of intermediate certificates requiring the AIA information to be
used. There is no current way to verify the provided URI points to a
legitimate source.
Comment 1 errata-xmlrpc 2026-01-21 13:48:04 UTC 
This issue has been addressed in the following products:

  OPENJDK ELS 11.0.30

Via RHSA-2026:0849 https://access.redhat.com/errata/RHSA-2026:0849
Comment 2 errata-xmlrpc 2026-01-26 14:15:26 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
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