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Description

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.

PUBLISHED Reserved 2025-04-30 | Published 2025-05-26 | Updated 2025-05-27 | Assigner suse




MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

MEDIUM: 5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

Product status

Default status
unaffected

5.0. (semver)
affected

? (semver)
affected

Credits

Matthias Gerstner, SUSE finder

References

bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46805

www.openwall.com/lists/oss-security/2025/05/12/1

cve.org (CVE-2025-46805)

nvd.nist.gov (CVE-2025-46805)

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