CVE-2024-11734 – Keycloak Denial of Service Vulnerability

The following table lists the changes that have been made to the
CVE-2024-11734 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jan. 14, 2025

    Action Type Old Value New Value
    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.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-693
    Added Reference https://access.redhat.com/errata/RHSA-2025:0299
    Added Reference https://access.redhat.com/errata/RHSA-2025:0300
    Added Reference https://access.redhat.com/security/cve/CVE-2024-11734
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2328846
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