vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-24626): GNU Screen vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Apr 8, 2023 | Jul 4, 2023 | Apr 16, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Apr 8, 2023
Added
Jul 4, 2023
Modified
Apr 16, 2026
Description
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.
Solutions
ubuntu-pro-upgrade-screenubuntu-upgrade-screen
Rapid7 Labs
2026 Global Threat Landscape Report
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