Red Hat Security Advisory: Red Hat build of Keycloak 24.0.5 enhancement and security update
Red Hat build of Keycloak 24.0.5 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security Fix(es): * exposure of sensitive information in Pushed Authorization Requests (PAR) KC_RESTART cookie (CVE-2024-4540) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The vulnerability concerns the exposure of sensitive information in the Pushed Authorization Requests (PAR) KC_RESTART cookie in Red Hat build of Keycloak 24.0.5, identified as CVE-2024-4540. This issue could potentially leak sensitive data handled by the authentication server. Red Hat has released an enhancement and security update to address this issue. The advisory references two CVEs: CVE-2024-3656 and CVE-2024-4540, with the latter specifically describing the sensitive information exposure. The update is rated as low severity by Red Hat Product Security.
Potential Impact
The impact is the potential exposure of sensitive information through the PAR KC_RESTART cookie in the Keycloak authentication server. This could affect confidentiality of authentication-related data. Red Hat rates the security impact as low, indicating limited risk or exploitability.
Mitigation Recommendations
Red Hat recommends applying the security update for Red Hat build of Keycloak 24.0.5 after backing up all relevant data including applications, configuration files, and databases. No additional mitigation steps are specified. Patch status is not explicitly confirmed in the advisory text, so users should check the Red Hat advisory RHSA-2024:3575 for the latest remediation guidance.
Red Hat Security Advisory: Red Hat build of Keycloak 24.0.5 enhancement and security update
Description
Red Hat build of Keycloak 24.0.5 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security Fix(es): * exposure of sensitive information in Pushed Authorization Requests (PAR) KC_RESTART cookie (CVE-2024-4540) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability concerns the exposure of sensitive information in the Pushed Authorization Requests (PAR) KC_RESTART cookie in Red Hat build of Keycloak 24.0.5, identified as CVE-2024-4540. This issue could potentially leak sensitive data handled by the authentication server. Red Hat has released an enhancement and security update to address this issue. The advisory references two CVEs: CVE-2024-3656 and CVE-2024-4540, with the latter specifically describing the sensitive information exposure. The update is rated as low severity by Red Hat Product Security.
Potential Impact
The impact is the potential exposure of sensitive information through the PAR KC_RESTART cookie in the Keycloak authentication server. This could affect confidentiality of authentication-related data. Red Hat rates the security impact as low, indicating limited risk or exploitability.
Mitigation Recommendations
Red Hat recommends applying the security update for Red Hat build of Keycloak 24.0.5 after backing up all relevant data including applications, configuration files, and databases. No additional mitigation steps are specified. Patch status is not explicitly confirmed in the advisory text, so users should check the Red Hat advisory RHSA-2024:3575 for the latest remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:3575
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-4540"]
Threat ID: 6a71feeabf8831d539ff0ae2
Added to database: 08/04/2026, 15:02:02 UTC
Last enriched: 08/04/2026, 15:08:46 UTC
Last updated: 09/10/2026, 19:38:49 UTC
Views: 41
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