CVE-2018-17158: Freebsd

High severity, CVSS 7.5. EPSS: 4.4% chance of exploitation in the next 30 days.

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error can occur when handling the client address length field in an NFSv4 request. Unprivileged remote users with access to the NFS server can crash the system by sending a specially crafted NFSv4 request.

Affected products

• Freebsd Freebsd: before 11.2 (fixed in 11.2); version 11.2 only

Published 2018-12-04. Last modified 2026-06-17.