Red Hat Product Errata RHSA-2025:18890 - Security Advisory
Issued:
2025-10-21
Updated:
2025-10-21

RHSA-2025:18890 - Security Advisory

Synopsis

Important: Red Hat build of Keycloak 26.2.10 Security Update

Type/Severity

Security Advisory: Important

Topic

New Red Hat build of Keycloak 26.2.10 packages are available from the Customer Portal

Description

Red Hat build of Keycloak 26.2.10 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
Security fixes:

  • Keycloak TLS Client-Initiated Renegotiation Denial of Service (CVE-2025-11419)

Solution

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

Affected Products

  • Red Hat build of Keycloak Text-only Advisories x86_64

Fixes

(none)

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.