CVE-2025-11419

See a problem?
Please try reporting it to the source first.
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
2025-12-23T20:42:38Z
Modified
2026-10-24T02:30:54Z
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 
{
    "cna_assigner":  "redhat",
    "cwe_ids":  [
        "CWE-770"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11419.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "fixed":  "26.0.16-2"
                        },
                        {
                            "fixed":  "26.0-20"
                        },
                        {
                            "fixed":  "26.0-21"
                        },
                        {
                            "fixed":  "26.2.10-2"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "InverseAffectedRanges"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
78fa91620bbab9271d3a6f4ad7bb804140af0096
Fixed
50b312bc778c2700de97f5a0cb61a1d24b92314c
Introduced
4cb4d2d06ed17e3a8bd928f472d3f9e4d1adea1d
Fixed
282b8a2ba6d6135a7de661a707d30a23866b941a
Introduced
4e25e47b3c3619b3a0593448e1dfc0dd786cfbe1
Fixed
802e43c58ee8989a1beb8e5d905aa73c1ca21e4b
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "26.0.16"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "26.2-11"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "InverseAffectedRanges"
        },
        {
            "range":  [
                {
                    "introduced":  "26.2.0"
                },
                {
                    "fixed":  "26.2.10"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "introduced":  "26.4.0"
                },
                {
                    "fixed":  "26.4.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        }
    ]
}

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"