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Vulnerability Details :

CVE-2025-46805

Assigner-suse

Assigner Org ID-404e59f5-483d-4b8a-8e7a-e67604dd8afb

Published At-26 May, 2025 | 13:16

Updated At-27 May, 2025 | 14:10

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

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.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:suse

Assigner Org ID:404e59f5-483d-4b8a-8e7a-e67604dd8afb

Published At:26 May, 2025 | 13:16

Updated At:27 May, 2025 | 14:10

▼CVE Numbering Authority (CNA)

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

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.

Affected Products

Collection URL

https://git.savannah.gnu.org/cgit/screen.git

Package Name

screen

Default Status

unaffected

Versions

Affected

From 5.0. through 5.0.0 (semver)
From ? through 4.9.1 (semver)

Problem Types

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

Type: CWE

CWE ID: CWE-367

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

Metrics

Version	Base score	Base severity	Vector
3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0	5.7	MEDIUM	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Version: 3.1

Base score: 5.5

Base severity: MEDIUM

Vector:

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

Version: 4.0

Base score: 5.7

Base severity: MEDIUM

Vector:

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

Credits

finder

Matthias Gerstner, SUSE

References

Hyperlink	Resource
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46805	N/A
https://www.openwall.com/lists/oss-security/2025/05/12/1	N/A

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

Resource: N/A

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

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:meissner@suse.de

Published At:26 May, 2025 | 14:15

Updated At:28 May, 2025 | 15:01

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	5.7	MEDIUM	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 4.0

Base score: 5.7

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 3.1

Base score: 5.5

Base severity: MEDIUM

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-367	Primary	meissner@suse.de

CWE ID: CWE-367

Type: Primary

Source: meissner@suse.de

References

Hyperlink	Source	Resource
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46805	meissner@suse.de	N/A
https://www.openwall.com/lists/oss-security/2025/05/12/1	meissner@suse.de	N/A

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

Source: meissner@suse.de

Resource: N/A

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

Source: meissner@suse.de

Resource: N/A

CVE-2025-46805

Credits

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

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

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N/A

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N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

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Affected

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Metrics

Metrics Other Info

Impacts

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Replaced By

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Affected Products

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Metrics Other Info

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CISA Catalog

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CPE Matches

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Change History

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