{"id":"DEBIAN-CVE-2023-24626","details":"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, causing a denial of service or disruption of the target process.","modified":"2026-09-15T09:00:56.712086886Z","published":"2023-04-08T05:15:07.063Z","upstream":["CVE-2023-24626"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-24626"}],"affected":[{"package":{"name":"screen","ecosystem":"Debian:12","purl":"pkg:deb/debian/screen?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.0-4","4.9.1-1","4.9.1-1+hurd.1","4.9.1-1+hurd.2","4.9.1-2","4.9.1-3","4.9.1-3.1","5.0.1-1","5.0.1-1.1","5.0.1-1.1+be","5.0.1-2","5.0.1-3","5.0.2-1"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Debian:13","purl":"pkg:deb/debian/screen?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-24626.json"}},{"package":{"name":"screen","ecosystem":"Debian:14","purl":"pkg:deb/debian/screen?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.1-1"}]}],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-24626.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}