In Irssi before 1.0.6 a calculation error in the completion code could cause a heap buffer overflow when completing certain strings.
In Irssi before 1.0.6 a calculation error in the completion code could cause a heap buffer overflow when completing certain strings.
https://irssi.org/security/irssi_sa_2018_01.txt https://github.com/irssi/irssi/commit/2361d4b1e5d38701f35146219ceddd318ac4e645