CVE-2016-4414: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.

Affected products

• Fedoraproject Fedora: version 22 only; version 23 only; version 24 only
• Opensuse Leap: version 42.1 only
• Opensuse Opensuse: version 13.2 only
• Quassel-Irc Quassel: up to and including 0.12.3

Published 2016-06-13. Last modified 2026-06-17.