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.
Metrics
CVSS 3.1 4.3/10
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Apr 21, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed