{"action":"Upgrade screen to 4.9.1-1 or later.","affected":[{"fixed":"4.9.1-1","introduced":"0"}],"component":"screen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.9.1-1"],"id":"tcs_01M5NHXDF3J84M1E3F2X315WZQ","modified_at":"2026-10-26T18:00:35.925479611Z","published_at":"2023-04-08T05:15:07.063Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-24626","https://security-tracker.debian.org/tracker/CVE-2023-24626"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-24626#Debian:13/screen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-24626"}],"summary":"socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causi"}