A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable.
Metrics
Affected Vendors & Products
References
History
Tue, 23 Dec 2025 21:15:00 +0000
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| Metrics |
ssvc
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Tue, 23 Dec 2025 20:45:00 +0000
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| Description | No description is available for this CVE. | A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable. |
| Title | keycloak: Keycloak TLS Client-Initiated Renegotiation Denial of Service | Keycloak: keycloak tls client-initiated renegotiation denial of service |
| First Time appeared |
Redhat
Redhat build Keycloak |
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| CPEs | cpe:/a:redhat:build_keycloak:26.0 cpe:/a:redhat:build_keycloak:26.0::el9 cpe:/a:redhat:build_keycloak:26.2::el9 |
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| Vendors & Products |
Redhat
Redhat build Keycloak |
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| References |
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Wed, 08 Oct 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
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| Description | No description is available for this CVE. | |
| Title | keycloak: Keycloak TLS Client-Initiated Renegotiation Denial of Service | |
| Weaknesses | CWE-770 | |
| References |
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| Metrics |
threat_severity
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cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2025-12-23T20:52:40.059Z
Reserved: 2025-10-07T11:19:18.134Z
Link: CVE-2025-11419
Updated: 2025-12-23T20:52:32.002Z
Status : Received
Published: 2025-12-23T21:15:46.557
Modified: 2025-12-23T21:15:46.557
Link: CVE-2025-11419
OpenCVE Enrichment
No data.