CVE-2025-11419

Description

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.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.05

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2025-11419 are fixed in Keycloak - keycloak-quarkus-dist 26.0.16	Windows
Vulnerabilities CVE-2025-11419 are fixed in Keycloak - keycloak-quarkus-dist 26.2.10	Windows
Vulnerabilities CVE-2025-11419 are fixed in Keycloak - keycloak-quarkus-dist 26.4.1	Windows
Vulnerabilities CVE-2025-11419 are fixed in Keycloak - keycloak-quarkus-dist for Linux 26.0.16	Linux
Vulnerabilities CVE-2025-11419 are fixed in Keycloak - keycloak-quarkus-dist for Linux 26.2.10	Linux
Vulnerabilities CVE-2025-11419 are fixed in Keycloak - keycloak-quarkus-dist for Linux 26.4.1	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234