CVE-2012-2978: Nlnetlabs Nsd

Medium severity, CVSS 5.0. EPSS: 9.2% chance of exploitation in the next 30 days.

query.c in NSD 3.0.x through 3.0.8, 3.1.x through 3.1.1, and 3.2.x before 3.2.12 allows remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via a crafted DNS packet.

Affected products

• Nlnetlabs Nsd: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; …

Published 2012-07-27. Last modified 2026-06-16.