{"id":"CVE-2026-41285","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-41285","generatedAt":"2026-10-28T01:50:14.346Z","title":"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…","description":"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.","published":"2026-04-21T00:16:29.000Z","lastModified":"2026-06-17T10:46:27.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-1284","CWE-835"],"affected":["openbsd/openbsd"],"epss":{"score":0.00209,"percentile":0.10962,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://www.openbsd.org/errata78.html","tags":["Product","Release Notes"],"source":"cve@mitre.org"},{"url":"https://www.rfc-editor.org/rfc/rfc4861#section-4.6","tags":["Not Applicable"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41285","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}