{"action":"Upgrade tmux to 3.0a-r2 or later.","affected":[{"fixed":"3.0a-r2","introduced":"2.9"}],"component":"tmux","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["3.0a-r2"],"id":"tcs_01M5NCHA8D1TFCB506PJQWGJ8P","modified_at":"2026-10-26T11:17:55.160447009Z","published_at":"2020-11-06T03:15:17.137Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-27347","https://security.alpinelinux.org/vuln/CVE-2020-27347"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-27347#Alpine:v3.11/tmux","url":"https://osv.dev/vulnerability/ALPINE-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."}