NVD Vulnerability Detail
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CVE-2026-41285
Summary

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.

Publication Date April 21, 2026, 9:16 a.m.
Registration Date April 25, 2026, 4:02 a.m.
Last Update April 25, 2026, 3:59 a.m.
CVSS3.1 : MEDIUM
スコア 4.3
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
攻撃元区分(AV) 隣接
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A)
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* 7.8
Related information, measures and tools
Common Vulnerabilities List