Security advisory

{
  "id": "e4d0209483e97d82ee25c9f98aa9600add24950ec115f0b78be302f23ac1c93c",
  "url": "https://osv.dev/vulnerability/CVE-2021-41865",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41865",
    "summary": "HashiCorp Nomad and Nomad Enterprise 1.1.1 through 1.1.5 allowed authenticated users with job submission capabilities to cause denial of service by submitting incomplete job specifications with a Consul mesh gateway and host networking mode. Fixed in 1.1.6.",
    "evidence": "osv:CVE-2021-41865",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-41865",
      "aliases": [
        "CVE-2021-41865"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashicorp/nomad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a6fab0f1df962b9224adcf05c886c6ae59d52192"
                },
                {
                  "fixed": "c369cbd60be85d77dbe618bb05be998b70d2d0a0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.1"
                      },
                      {
                        "fixed": "1.1.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.1"
                      },
                      {
                        "fixed": "1.1.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41865.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:30.781696830Z",
      "provider": "osv",
      "references": [
        "https://discuss.hashicorp.com/t/hcsec-2021-26-nomad-denial-of-service-via-submission-of-incomplete-job-specification-using-consul-mesh-gateway-host-network/30311"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41865",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432662,
  "published_at": "2021-10-07T14:15:08.59+00:00"
}