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CVE-2025-11419
HIGH7.5
Beschreibung
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.
CVE Details
CVSS v3.1 Bewertung7.5
SchweregradHIGH
CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AngriffsvektorNETWORK
KomplexitatLOW
Erforderliche PrivilegienNONE
BenutzerinteraktionNONE
Veroffentlicht12/23/2025
Zuletzt geandert4/20/2026
Quellenvd
Honeypot-Sichtungen0
Schwachen (CWE)
CWE-770
Referenzen
https://access.redhat.com/errata/RHSA-2025:18254(secalert@redhat.com)
https://access.redhat.com/errata/RHSA-2025:18255(secalert@redhat.com)
https://access.redhat.com/errata/RHSA-2025:18889(secalert@redhat.com)
https://access.redhat.com/errata/RHSA-2025:18890(secalert@redhat.com)
https://access.redhat.com/security/cve/CVE-2025-11419(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=2402142(secalert@redhat.com)
https://github.com/keycloak/keycloak/discussions/25209(secalert@redhat.com)
https://github.com/keycloak/keycloak/issues/43020(secalert@redhat.com)
IOC Korrelationen
Keine Korrelationen erfasst
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