UBUNTU-CVE-2026-38974

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Source
https://ubuntu.com/security/CVE-2026-38974
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-38974
Upstream
Published
2026-07-15T22:16:00Z
Modified
2026-07-22T11:41:14.487405137Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py.

References

Affected packages

Ubuntu:16.04:LTS
dulwich

Package

Name
dulwich
Purl
pkg:deb/ubuntu/dulwich?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*
0.11.2-1ubuntu1
0.12.0-1
0.12.0-1build1
0.12.0-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.12.0-1build2",
            "binary_name": "pypy-dulwich"
        },
        {
            "binary_version": "0.12.0-1build2",
            "binary_name": "python-dulwich"
        },
        {
            "binary_name": "python3-dulwich",
            "binary_version": "0.12.0-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json"
Ubuntu:18.04:LTS
dulwich

Package

Name
dulwich
Purl
pkg:deb/ubuntu/dulwich?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*
0.18.2-1build1
0.18.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "pypy-dulwich",
            "binary_version": "0.18.5-1"
        },
        {
            "binary_version": "0.18.5-1",
            "binary_name": "python-dulwich"
        },
        {
            "binary_version": "0.18.5-1",
            "binary_name": "python3-dulwich"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json"
Ubuntu:20.04:LTS
dulwich

Package

Name
dulwich
Purl
pkg:deb/ubuntu/dulwich?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.19.11-2
0.19.14-4ubuntu1
0.19.15-1
0.19.15-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "pypy-dulwich",
            "binary_version": "0.19.15-1build1"
        },
        {
            "binary_name": "python3-dulwich",
            "binary_version": "0.19.15-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json"
Ubuntu:22.04:LTS
dulwich

Package

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

Affected ranges

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

Affected versions

0.*
0.20.15-1ubuntu1
0.20.31-1ubuntu1
0.20.31-1.1
0.20.31-1.1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-dulwich",
            "binary_version": "0.20.31-1.1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json"
Ubuntu:24.04:LTS
dulwich

Package

Name
dulwich
Purl
pkg:deb/ubuntu/dulwich?arch=source&distro=noble

Affected ranges

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

Affected versions

0.*
0.21.6-1
0.21.6-1build1
0.21.6-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-dulwich",
            "binary_version": "0.21.6-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json"
Ubuntu:26.04:LTS
dulwich

Package

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

Affected ranges

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

Affected versions

0.*
0.22.7-1
0.24.2-2
1.*
1.1.0-2ubuntu1
1.1.0-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-dulwich",
            "binary_version": "1.1.0-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-38974.json"