UBUNTU-CVE-2025-46805

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Source
https://ubuntu.com/security/CVE-2025-46805
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-46805
Upstream
Downstream
Related
Published
2025-05-08T00:00:00Z
Modified
2026-01-27T12:44:41.303228Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 5.7 (Medium) CVSS_V4 - 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 CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:20.04:LTS

screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.8.0-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.6.2-3build1
4.7.0-1
4.8.0-1
4.8.0-1ubuntu0.1

Ecosystem specific 

{
    "priority_reason": "Ubuntu does not install screen setuid-root",
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.8.0-1ubuntu0.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json"

Ubuntu:22.04:LTS

screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.9.0-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.0-1ubuntu0.1

Affected versions

4.*

4.8.0-6
4.8.0-6build1
4.8.0-7
4.9.0-1

Ecosystem specific 

{
    "priority_reason": "Ubuntu does not install screen setuid-root",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.9.0-1ubuntu0.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json"

Ubuntu:24.04:LTS

screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.9.1-1ubuntu1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.1-1ubuntu1

Affected versions

4.*

4.9.0-4
4.9.1-1
4.9.1-1build1

Ecosystem specific 

{
    "priority_reason": "Ubuntu does not install screen setuid-root",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.9.1-1ubuntu1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json"

Ubuntu:Pro:14.04:LTS

screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.1.0~20120320gitdb59704-9ubuntu0.1~esm3?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.0.3-14ubuntu10
4.1.0~20120320gitdb59704-9
4.1.0~20120320gitdb59704-9ubuntu0.1~esm1
4.1.0~20120320gitdb59704-9ubuntu0.1~esm2
4.1.0~20120320gitdb59704-9ubuntu0.1~esm3

Ecosystem specific 

{
    "priority_reason": "Ubuntu does not install screen setuid-root",
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json"

Ubuntu:Pro:16.04:LTS

screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.3.1-2ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.3.1-2
4.3.1-2build1
4.3.1-2ubuntu0.1
4.3.1-2ubuntu0.1+esm1

Ecosystem specific 

{
    "priority_reason": "Ubuntu does not install screen setuid-root",
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.3.1-2ubuntu0.1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json"

Ubuntu:Pro:18.04:LTS

screen

Package

Name
screen
Purl
pkg:deb/ubuntu/screen@4.6.2-1ubuntu1.1+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.6.1-1
4.6.2-1
4.6.2-1ubuntu1
4.6.2-1ubuntu1.1
4.6.2-1ubuntu1.1+esm1

Ecosystem specific 

{
    "priority_reason": "Ubuntu does not install screen setuid-root",
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.6.2-1ubuntu1.1+esm1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46805.json"