CVE-2011-1925: Wouter Verhelst Nbd

Medium severity, CVSS 5.0. EPSS: 2.5% chance of exploitation in the next 30 days.

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Affected products

• Wouter Verhelst Nbd: up to and including 2.9.21

Published 2011-05-31. Last modified 2026-06-16.