Security advisory

{
  "id": "06862da87d95c5915e92f2a9c58b0468a0476510ef1af8e08313faf1e1e12063",
  "url": "https://osv.dev/vulnerability/CVE-2021-34555",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-34555",
    "summary": "OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.",
    "evidence": "osv:CVE-2021-34555",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-34555",
      "aliases": [
        "CVE-2021-34555"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/trusteddomainproject/opendmarc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2aafb015a56d40e8a1949dc6d2ab0057aaf8b32f"
                },
                {
                  "last_affected": "106f3f49237d1a3176cd60df0f479e25f09a8491"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:trusteddomain:opendmarc:1.4.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.1"
                      },
                      {
                        "last_affected": "1.4.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:trusteddomain:opendmarc:1.4.1.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.4.1.1"
                      },
                      {
                        "last_affected": "1.4.1.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.4.1",
            "1.4.1.1",
            "rel-opendmarc-1-4-1-1",
            "rel-opendmarc-1-4-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34555.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:48.948967438Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MAT4ZSWPQ5SUTMYCXRXI5SMTWL4AG7E/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZHZD4WZDYRBB2XVW2EQ4DQ2KYMAGPUO/",
        "https://github.com/trusteddomainproject/OpenDMARC/issues/179",
        "https://github.com/trusteddomainproject/OpenDMARC/pull/178"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  },
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-34555",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384662,
  "published_at": "2021-06-10T15:15:09.68+00:00"
}