USN-4570-1

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Source
https://ubuntu.com/security/notices/USN-4570-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4570-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4570-1
Upstream
Related
Published
2020-10-05T17:04:30.866302Z
Modified
2025-07-16T08:33:09.556365Z
Summary
python-urllib3 vulnerability
Details

It was discovered that urllib3 incorrectly handled certain character sequences. A remote attacker could possibly use this issue to perform CRLF injection.

References

Affected packages

Ubuntu:16.04:LTS / python-urllib3

Package

Name
python-urllib3
Purl
pkg:deb/ubuntu/python-urllib3@1.13.1-2ubuntu0.16.04.4?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-2ubuntu0.16.04.4

Affected versions

1.*

1.11-1
1.12-1
1.13.1-1
1.13.1-2
1.13.1-2ubuntu0.16.04.1
1.13.1-2ubuntu0.16.04.2
1.13.1-2ubuntu0.16.04.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-urllib3",
            "binary_version": "1.13.1-2ubuntu0.16.04.4"
        },
        {
            "binary_name": "python3-urllib3",
            "binary_version": "1.13.1-2ubuntu0.16.04.4"
        }
    ]
}

Ubuntu:18.04:LTS / python-urllib3

Package

Name
python-urllib3
Purl
pkg:deb/ubuntu/python-urllib3@1.22-1ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.22-1ubuntu0.18.04.2

Affected versions

1.*

1.21.1-1
1.22-1
1.22-1ubuntu0.18.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-urllib3",
            "binary_version": "1.22-1ubuntu0.18.04.2"
        },
        {
            "binary_name": "python3-urllib3",
            "binary_version": "1.22-1ubuntu0.18.04.2"
        }
    ]
}

Ubuntu:20.04:LTS / python-urllib3

Package

Name
python-urllib3
Purl
pkg:deb/ubuntu/python-urllib3@1.25.8-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.25.8-2ubuntu0.1

Affected versions

1.*

1.24.1-1ubuntu1
1.24.1-1ubuntu2
1.25.8-1
1.25.8-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python3-urllib3",
            "binary_version": "1.25.8-2ubuntu0.1"
        }
    ]
}