Security Advisory

CVE-2025-11419

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-23 20:42:38

Last updated 2026-04-20 17:45:58

Assigner redhat

State PUBLISHED

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.

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