VULNERABILITY INTELLIGENCE

CVE-2023-24626

CVSS score6.5 MEDIUM

EPSS probability0.54%

CISA KEVNot currently listed

Published2023-04-08

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

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.

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-732

Primary references

cve@mitre.org — Mailing List, Patch
cve@mitre.org — Permissions Required
cve@mitre.org — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required
af854a3a-2127-422b-91ae-364da2661108
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Third Party Advisory, VDB Entry