When using an incomplete variable argument, Irssi before 1.0.6 may access data beyond the end of the string.
https://www.debian.org/security/2018/dsa-4162
https://irssi.org/security/irssi_sa_2018_01.txt
Source: Mitre, NVD
Published: 2018-01-06
Updated: 2019-03-12
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High