CVE-2026-41285

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-41285
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.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f Patch
https://www.openbsd.org/errata78.html Product Release Notes
https://www.rfc-editor.org/rfc/rfc4861#section-4.6 Not Applicable
Configurations

Configuration 1 (hide)

cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
History

24 Apr 2026, 18:59

Type Values Removed Values Added
References () https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f - () https://github.com/openbsd/src/commit/086c5738bcd3c203bcc08d024fcf983cb409115f - Patch
References () https://www.openbsd.org/errata78.html - () https://www.openbsd.org/errata78.html - Product, Release Notes
References () https://www.rfc-editor.org/rfc/rfc4861#section-4.6 - () https://www.rfc-editor.org/rfc/rfc4861#section-4.6 - Not Applicable
CWE CWE-835
First Time Openbsd
Openbsd openbsd
CPE cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*

21 Apr 2026, 00:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-21 00:16

Updated : 2026-04-24 18:59

NVD link : CVE-2026-41285

Mitre link : CVE-2026-41285

CVE.ORG link : CVE-2026-41285

JSON object : View

Products Affected

openbsd

  • openbsd
CWE
CWE-1284

Improper Validation of Specified Quantity in Input

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')