CVE-2025-11419
Keycloak: keycloak tls client-initiated renegotiation denial of service
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
keycloakRed Hat · Red Hat build of Keycloak 26.0Red Hat · Red Hat build of Keycloak 26.0.16Red Hat · Red Hat build of Keycloak 26.2Red Hat · Red Hat build of Keycloak 26.2.10Quer saber se a sua infraestrutura está exposta a isto?
Falar com a TrueHacking →Referências
https://access.redhat.com/errata/RHSA-2025:18254https://access.redhat.com/errata/RHSA-2025:18255https://access.redhat.com/errata/RHSA-2025:18889https://access.redhat.com/errata/RHSA-2025:18890https://access.redhat.com/security/cve/CVE-2025-11419https://bugzilla.redhat.com/show_bug.cgi?id=2402142https://github.com/keycloak/keycloak/discussions/25209https://github.com/keycloak/keycloak/issues/43020