CVE-2025-11419

Source
https://cve.org/CVERecord?id=CVE-2025-11419
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11419.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-11419
Aliases
Published
2025-12-23T20:42:38.699Z
Modified
2026-07-16T03:47:22.271416758Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Keycloak: keycloak tls client-initiated renegotiation denial of service
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11419.json",
    "cna_assigner": "redhat",
    "cwe_ids": [
        "CWE-770"
    ]
}
References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Database specific
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "26.0.16"
        },
        {
            "introduced": "26.2.0"
        },
        {
            "fixed": "26.2.10"
        },
        {
            "introduced": "26.4.0"
        },
        {
            "fixed": "26.4.1"
        }
    ]
}

Affected versions

1.*
1.0-alpha-1
1.0-alpha-1-12062013
1.0-alpha-2
1.0-alpha-3
1.0-beta-1
1.0-beta-2
1.0-beta-4
1.0-final
1.0-rc-1
1.0.0.Final
1.1.0.Beta2
1.3.0.Final
2.*
2.4.0.Test

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11419.json"