UBUNTU-CVE-2025-52936

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Source
https://ubuntu.com/security/CVE-2025-52936
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-52936
Upstream
Downstream
Related
Published
2025-06-23T10:15:00Z
Modified
2026-06-01T19:00:22.793299531Z
Severity
  • 9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/S:N/AU:Y/R:U/V:C/RE:M/U:Amber CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.

References

Affected packages

Ubuntu:22.04:LTS
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20-1+deb11u1build0.22.04.1

Affected versions

1.*
1.20-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "1.20-1+deb11u1build0.22.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"
Ubuntu:25.10
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.4-1ubuntu0.25.10.1

Affected versions

2.*
2.1.4-1build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "2.1.4-1ubuntu0.25.10.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"
Ubuntu:26.04:LTS
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.4-1ubuntu0.26.04.1

Affected versions

2.*
2.1.4-1build1
2.1.4-1build2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "2.1.4-1ubuntu0.26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"
Ubuntu:Pro:16.04:LTS
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.17-2ubuntu0.1~esm1

Affected versions

1.*
1.17-2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "1.17-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"
Ubuntu:Pro:18.04:LTS
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18-1ubuntu0.1~esm1

Affected versions

1.*
1.18-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "1.18-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"
Ubuntu:Pro:20.04:LTS
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Ffocal

Affected ranges

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

Affected versions

1.*
1.18-1
1.20-1
1.20-1+deb11u1build0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "1.20-1+deb11u1build0.20.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"
Ubuntu:Pro:24.04:LTS
sslh

Package

Name
sslh
Purl
pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22c-1ubuntu0.1~esm1

Affected versions

1.*
1.20-1.1
1.22c-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "sslh",
            "binary_version": "1.22c-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-52936.json"