CVE-2014-9403: Znc

Medium severity, CVSS 4.0. EPSS: 2.2% chance of exploitation in the next 30 days.

The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error.

Affected products

• Znc Znc: up to and including 1.2

Published 2014-12-19. Last modified 2026-06-17.