{"id":"CVE-2025-11375","revision":"b69c5a1d9d4a4512886533f496fe295f","records":[{"revision":"b69c5a1d9d4a4512886533f496fe295f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-11375","aliases":[],"title":"Consul's event endpoint is vulnerable to denial of service","description":"Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.","state":0,"publishedAt":"2025-10-28T20:12:14.325+00:00","modifiedAt":"2025-12-09T01:37:57.188+00:00","affected":[{"ecosystem":"Vendor product","name":"Consul","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"64 bit\",\n                        \"32 bit\",\n                        \"x86\",\n                        \"ARM\",\n                        \"MacOS\",\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"Consul\",\n                    \"repo\": \"https://github.com/hashicorp/consul\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"1.22.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Consul Enterprise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"64 bit\",\n                        \"32 bit\",\n                        \"x86\",\n                        \"ARM\",\n                        \"MacOS\",\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"product\": \"Consul Enterprise\",\n                    \"repo\": \"https://github.com/hashicorp/consul\",\n                    \"vendor\": \"HashiCorp\",\n                    \"versions\": [\n                        {\n                            \"changes\": [\n                                {\n                                    \"at\": \"1.21.6\",\n                                    \"status\": \"unaffected\"\n                                },\n                                {\n                                    \"at\": \"1.20.8\",\n                                    \"status\": \"unaffected\"\n                                },\n                                {\n                                    \"at\": \"1.18.12\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"lessThan\": \"1.22.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://discuss.hashicorp.com/t/hcsec-2025-28-consuls-event-endpoint-is-vulnerable-to-denial-of-service/76723"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-11375","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-11375","identifiers":["CVE-2025-11375"]},"retained":false,"historicalAffected":[]}],"coverage":[]}