7.5

CVE-2025-11419

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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Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Collection URLhttps://github.com/keycloak/keycloak/
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Paket keycloak
Default Statusunaffected
Version < 26.0.16
Version 0
Status affected
Version < 26.1.*
Version 26.1.0
Status unknown
Version < 26.2.10
Version 26.2.0
Status affected
Version < 26.3.*
Version 26.3.0
Status unknown
Version < 26.4.1
Version 26.4.0
Status affected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.0
Default Statusaffected
Version < *
Version 26.0.16-2
Status unaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.0
Default Statusaffected
Version < *
Version 26.0-20
Status unaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.0
Default Statusaffected
Version < *
Version 26.0-21
Status unaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.0.16
Default Statusunaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.2
Default Statusaffected
Version < *
Version 26.2.10-2
Status unaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.2
Default Statusaffected
Version < *
Version 26.2-11
Status unaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.2
Default Statusaffected
Version < *
Version 26.2-11
Status unaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.2.10
Default Statusunaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.425
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secalert@redhat.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.