CVE search · CVE-2026-41285

CVE-2026-41285

medium 4.3

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.

Open in the NVD CVE.org JSON

Status: Analyzed
Published: 2026-04-21
Last changed: 2026-06-17
Source: cve@mitre.org
Weakness: CWE-1284, CWE-835

Severity

Version	Score	Vector	Source
CVSS 3.1	medium 4.3	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`	cve@mitre.orgSecondary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

openbsd · openbsd

References

https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115fPatch
https://www.openbsd.org/errata78.htmlProductRelease Notes
https://www.rfc-editor.org/rfc/rfc4861#section-4.6Not Applicable

CVE-2026-41285

Details

Severity

Affected products

References