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.
http://www.ubuntu.com/usn/USN-3086-1
http://www.securitytracker.com/id/1036868
http://www.debian.org/security/2016/dsa-3672
Source: Mitre, NVD
Published: 2016-09-27
Updated: 2017-07-30
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High