Bug 2353868 (CVE-2025-2559) - CVE-2025-2559 org.keycloak/keycloak-services: JWT Token Cache Exhaustion Leading to Denial of Service (DoS) in Keycloak
Summary: CVE-2025-2559 org.keycloak/keycloak-services: JWT Token Cache Exhaustion Lead...
Keywords:
Status: NEW
Alias: CVE-2025-2559
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-03-20 12:25 UTC by OSIDB Bzimport
Modified: 2025-04-29 23:03 UTC (History)
33 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-2025:4335 0 None None None 2025-04-29 23:03:23 UTC
Red Hat Product Errata RHSA-2025:4336 0 None None None 2025-04-29 22:53:32 UTC

Description OSIDB Bzimport 2025-03-20 12:25:01 UTC 
A trusted client with long-lived JWT tokens can cause memory exhaustion in Keycloak due to unbounded token caching.
Comment 3 errata-xmlrpc 2025-04-29 22:53:29 UTC 
This issue has been addressed in the following products:

  Red Hat build of Keycloak 22

Via RHSA-2025:4336 https://access.redhat.com/errata/RHSA-2025:4336
Comment 4 errata-xmlrpc 2025-04-29 23:03:19 UTC 
This issue has been addressed in the following products:

  Red Hat build of Keycloak 26.0

Via RHSA-2025:4335 https://access.redhat.com/errata/RHSA-2025:4335
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