CVE-2024-11734
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
0 < 26.0.8 | affected | ||
| Red Hat | Red Hat build of Keycloak 26.0 | 26.0.8-1 < * | unaffected |
| Red Hat | Red Hat build of Keycloak 26.0 | 26.0-7 < * | unaffected |
| Red Hat | Red Hat build of Keycloak 26.0 | 26.0-8 < * | unaffected |
Weaknesses
- CWE-693: Protection Mechanism Failure
Workarounds
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
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
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