CVE-2015-2923: Freebsd

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD through 10.1 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

Affected products

• Freebsd Freebsd: before 10.1 (fixed in 10.1)

Published 2020-02-20. Last modified 2026-06-17.