Vulnerability in Openbsd
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 prece…
EPSS: 0.000 (1.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Openbsd — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2026-41285?
- CVE-2026-41285 is a medium-severity vulnerability in Openbsd, classified under Improper Validation of Specified Quantity in Input. CVSS score: 4.3/10. Published 2026-04-20.
- How severe is CVE-2026-41285?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2026-41285 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.