Bug 2458635 (CVE-2026-5598) - CVE-2026-5598 bouncycastle: BC-JAVA: private key leakage via non-constant time comparisons
Summary: CVE-2026-5598 bouncycastle: BC-JAVA: private key leakage via non-constant tim...
Keywords:
Status: NEW
Alias: CVE-2026-5598
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2459303
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-15 10:01 UTC by OSIDB Bzimport
Modified: 2026-04-30 11:13 UTC (History)
96 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-2026:12267 0 None None None 2026-04-30 11:13:06 UTC
Red Hat Product Errata RHSA-2026:12269 0 None None None 2026-04-30 11:10:00 UTC

Description OSIDB Bzimport 2026-04-15 10:01:28 UTC 
Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules).
 Non-constant time comparisons risk private key leakage in FrodoKEM.

This issue affects BC-JAVA: from 2.17.3 before 1.84.
Comment 2 errata-xmlrpc 2026-04-30 11:09:54 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Enterprise Application Platform 7

Via RHSA-2026:12269 https://access.redhat.com/errata/RHSA-2026:12269
Comment 3 errata-xmlrpc 2026-04-30 11:12:57 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
  Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
  Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9

Via RHSA-2026:12267 https://access.redhat.com/errata/RHSA-2026:12267
Note You need to log in before you can comment on or make changes to this bug.