Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock

{
  "id": "b2d146331a55760e48134d942615753b5a8120cf2bc1aaadfa68eb92746ad14f",
  "url": "https://osv.dev/vulnerability/CVE-2025-62875",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Local DoS in OpenSMTPD via UNIX domain socket smtpd.sock",
    "summary": "An Improper Check for Unusual or Exceptional Conditions vulnerability in OpenSMTPD allows local users to crash OpenSMTPD. This issue affects openSUSE Tumbleweed: from ? before 7.8.0p0-1.1.",
    "evidence": "osv:CVE-2025-62875",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-62875",
      "aliases": [
        "CVE-2025-62875"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/opensmtpd/opensmtpd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8c07e2a4b3d61d01483bd0f61031cb93ed46c9cf"
                },
                {
                  "last_affected": "8c07e2a4b3d61d01483bd0f61031cb93ed46c9cf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:opensmtpd:opensmtpd:7.7.0:p0:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.7.0-p0"
                      },
                      {
                        "last_affected": "7.7.0-p0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.7.0-p0",
            "7.7.0p0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-62875.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.749651104Z",
      "provider": "osv",
      "references": [
        "https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62875.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-62875",
        "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62875",
        "https://security.opensuse.org/2025/10/31/opensmtpd-local-DoS.html#reproducer"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-754"
        ],
        "cna_assigner": "suse",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "?"
                  },
                  {
                    "fixed": "7.8.0p0-1.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62875.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-62875",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 519476,
  "published_at": "2025-11-20T16:02:11.542+00:00"
}