CVE-2025-11419: falha de alta gravidade em keycloak
Keycloak: keycloak tls client-initiated renegotiation denial of service
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 0.7%
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 26.2.10CVEs relacionadas — keycloak
No mesmo produto, das mais perigosas para as menos.
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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