{"action":"Upgrade tmux to 1.4-6 or later.","affected":[{"fixed":"1.4-6","introduced":"0"}],"component":"tmux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.4-6"],"id":"tcs_01M5N9R7VD6WXJRHCT3EBCZDAV","modified_at":"2026-10-23T17:47:40.932178050Z","published_at":"2011-04-18T18:55:01.077Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-1496","https://security-tracker.debian.org/tracker/CVE-2011-1496"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-1496","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-1496"}],"summary":"tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option."}