CVE-2024-11734
Org.keycloak:keycloak-quarkus-server: denial of service in keycloak server via security headers
- State
- Published
- Severity
- 6.5 Medium
- Published
- Jan 14, 2025
- Updated
- Aug 31, 2026
- Reserved
- Nov 26, 2024
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | redhat |
Weaknesses
- CWE-693 Protection Mechanism Failure
Affected Products
| Product | Versions |
|---|---|
keycloak |
|
Red Hat build of Keycloak 26.0Red Hat |
|
Red Hat build of Keycloak 26.0Red Hat |
|
Red Hat build of Keycloak 26.0Red Hat |
|
RHBK 26.0.8Red Hat | |
Red Hat Build of KeycloakRed Hat | |
Red Hat JBoss Enterprise Application Platform 8Red Hat | |
Red Hat JBoss Enterprise Application Platform Expansion PackRed Hat |
References
- RHSA-2025:0299vendor-advisory
- RHSA-2025:0300vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-11734vdb-entry
- RHBZ#2328846issue-tracking
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