Medium [CVE-2024-11734] Org.keycloak:keycloak-quarkus-server: denial of service in keycloak server via security headers
This medium-severity Red Hat Linux advisory covers CVE-2024-11734 affecting Red Hat build of Keycloak 26.0.
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Summary
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 product named by the advisory: Red Hat build of Keycloak 26.0.
- before 26.0.8
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 26.0.8. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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