CVE-2010-2448: Znc

Low severity, CVSS 3.5. EPSS: 2.1% chance of exploitation in the next 30 days.

znc.cpp in ZNC before 0.092 allows remote authenticated users to cause a denial of service (crash) by requesting traffic statistics when there is an active unauthenticated connection, which triggers a NULL pointer dereference, as demonstrated using (1) a traffic link in the web administration pages or (2) the traffic command in the /znc shell.

Affected products

• Znc Znc: up to and including 0.090; version 0.034 only; version 0.041 only; version 0.043 only; version 0.044 only; version 0.045 only; …

Published 2010-07-12. Last modified 2026-06-16.