CVE-2018-17159: Freebsd

High severity, CVSS 7.5. EPSS: 4.2% chance of exploitation in the next 30 days.

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request. Unprivileged remote users with access to the NFS server can cause a resource exhaustion by forcing the server to allocate an arbitrarily large memory allocation.

Affected products

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

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