CVE-2026-41285

Published Apr 21, 2026

Last updated a month ago

Overview

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.
Source
cve@mitre.org
NVD status
Analyzed
Products
openbsd

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.3
Impact score
1.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Severity
MEDIUM

Weaknesses

cve@mitre.org
CWE-1284
nvd@nist.gov
CWE-835

Social media

Hype score
Not currently trending

Configurations