Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Not supplied / Not supplied | affected 0 before 26.0.8 |
| Red Hat / Red Hat build of Keycloak 26.0 | unaffected 26.0.8-1 before * |
| Red Hat / Red Hat build of Keycloak 26.0 | unaffected 26.0-7 before * |
| Red Hat / Red Hat build of Keycloak 26.0 | unaffected 26.0-8 before * |
| Red Hat / RHBK 26.0.8 | unaffected |
| Red Hat / Red Hat Build of Keycloak | affected |
| Red Hat / Red Hat JBoss Enterprise Application Platform 8 | unaffected |
| Red Hat / Red Hat JBoss Enterprise Application Platform Expansion Pack | unaffected |
CWE
CWE-693
References
- https://access.redhat.com/errata/RHSA-2025:0299
- https://access.redhat.com/errata/RHSA-2025:0300
- https://access.redhat.com/security/cve/CVE-2024-11734
- https://bugzilla.redhat.com/show_bug.cgi?id=2328846
ADP enrichment
No English description supplied.
No references supplied.