The format_send_to_gui function in the format parsing code in Irssi before 0.8.20 allows remote attackers to cause a denial of service (heap corruption and crash) via vectors involving the length of a string.Referenceshttp://www.debian.org/security/2016/dsa-3672https://irssi.org/security/irssi_sa_2016.txthttp://www.securitytracker.com/id/1036868http://www.ubuntu.com/usn/USN-3086-1
