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.
CVSS 4.3EPSS 0.209%Risk 0.44
View source- Published
- 2026-04-21 00:16:29
- Affected versions
- <7.8
- Type
- Core software
- Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L