CVE-2026-41285

MEDIUM

4.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.14.3

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vetor de ataqueADJACENT_NETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/21/2026

Ultima modificacao4/21/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-1284

Referencias

https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f(cve@mitre.org)

https://www.openbsd.org/errata78.html(cve@mitre.org)

https://www.rfc-editor.org/rfc/rfc4861#section-4.6(cve@mitre.org)

Correlacoes IOC

Sem correlacoes registradas

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