VULNERABILITY INTELLIGENCE

CVE-2025-11419

CVSS score7.5 HIGH
EPSS probability0.72%
CISA KEVNot currently listed
Published2025-12-23
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-770

Primary references