A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server to write to a request that has already been terminated, leading to the failure of said request.
                
            Metrics
Affected Vendors & Products
References
        History
                    Tue, 14 Jan 2025 15:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Metrics | ssvc 
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Tue, 14 Jan 2025 08:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Description | A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server to write to a request that has already been terminated, leading to the failure of said request. | |
| Title | Org.keycloak:keycloak-quarkus-server: denial of service in keycloak server via security headers | |
| First Time appeared | Redhat Redhat build Keycloak Redhat jboss Enterprise Application Platform Redhat jbosseapxp | |
| Weaknesses | CWE-693 | |
| CPEs | cpe:/a:redhat:build_keycloak:26.0 cpe:/a:redhat:build_keycloak:26.0::el9 cpe:/a:redhat:jboss_enterprise_application_platform:8 cpe:/a:redhat:jbosseapxp | |
| Vendors & Products | Redhat Redhat build Keycloak Redhat jboss Enterprise Application Platform Redhat jbosseapxp | |
| References |  | |
| Metrics | threat_severity 
 | cvssV3_1 
 
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 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: redhat
Published: 2025-01-14T08:35:42.107Z
Updated: 2025-08-30T09:19:50.195Z
Reserved: 2024-11-26T03:57:37.921Z
Link: CVE-2024-11734
 Vulnrichment
                        Vulnrichment
                    Updated: 2025-01-14T14:44:54.484Z
 NVD
                        NVD
                    Status : Received
Published: 2025-01-14T09:15:19.443
Modified: 2025-01-14T09:15:19.443
Link: CVE-2024-11734
 Redhat
                        Redhat