CVE-2018-1000179 on Ubuntu 18.04 LTS (bionic) - low.
Description:
A NULL Pointer Dereference of CWE-476 exists in quassel version 0.12.4 in the quasselcore void CoreAuthHandler::handle(const Login &msg) coreauthhandler.cpp line 235 that allows an attacker to cause a denial of service.