CVE-2025-46805 MEDIUM

CVE-2025-46805: Screen has a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root

Weakness CWE-367

Published May 26, 2025

Last update May 27, 2025

View on NVD All CVEs

CVSS base score

5.5/10

Attack vector Local

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity None

CVSS vector

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

What the vulnerability does

01Description

Screen version 5.0.0 and older version 4 releases have a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root.

Key dates

02Disclosure timeline

May 26, 2025 CVE published

May 27, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-46805 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/367.html