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CVE-2025-11419 Detail

Description

A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/errata/RHSA-2025:18254 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2025:18255 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2025:18889 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2025:18890 Red Hat, Inc.
https://access.redhat.com/security/cve/CVE-2025-11419 Red Hat, Inc.
https://bugzilla.redhat.com/show_bug.cgi?id=2402142 Red Hat, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling Red Hat, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-11419
NVD Published Date:
12/23/2025
NVD Last Modified:
12/23/2025
Source:
Red Hat, Inc.