CVE-2026-41285
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:AAttack VectorAdjacent
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:LAvailabilityLow
Weaknesses
Affected Products
OpenBSD Project
oss-project·USaka openbsd
OpenBSD
oss-project·CA
and 1 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Impact
References
https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f
github.com
https://www.openbsd.org/errata78.html
openbsd.org
https://www.rfc-editor.org/rfc/rfc4861#section-4.6
rfc-editor.org
and 2 more references View all →
News mentions
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