{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "086c5738bcd3c203bcc08d024fcf983cb409115f"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "086c5738bcd3c203bcc08d024fcf983cb409115f"
            }
          ],
          "repo": "https://github.com/openbsd/src",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-1284"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41285.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "range": [
              {
                "last_affected": "7.8"
              }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "last_affected": "7.8"
              }
            ],
            "source": "CPE_FIELD",
            "strategy": "CPEApplicability"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "last_affected": "7.8"
              }
            ],
            "source": "DESCRIPTION"
          }
        ]
      }
    ]
  },
  "details": "In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery (ND) option (over a local network) with length zero, because of an \"nd_opt_len * 8 - 2\" expression with no preceding check for whether nd_opt_len is zero.",
  "id": "CVE-2026-41285",
  "modified": "2026-10-21T02:30:54.196782008Z",
  "published": "2026-04-20T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.openbsd.org/errata78.html"
    },
    {
      "type": "WEB",
      "url": "https://www.rfc-editor.org/rfc/rfc4861#section-4.6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41285.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41285"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}