{"action":"Upgrade tmux to 3.1c-1 or later.","affected":[{"fixed":"3.1c-1","introduced":"0"}],"component":"tmux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.1c-1"],"id":"tcs_01M5NEY1APQ9H00P3GT1AC8KA5","modified_at":"2026-10-26T12:02:42.126046940Z","published_at":"2020-11-06T03:15:17.137Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27347","https://security-tracker.debian.org/tracker/CVE-2020-27347"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27347#Debian:13/tmux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27347"}],"summary":"In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output."}