USN-4973-1

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Source
https://ubuntu.com/security/notices/USN-4973-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4973-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4973-1
Upstream
Related
Published
2021-06-01T11:56:16.367459Z
Modified
2025-10-13T04:35:30Z
Summary
python3.8 vulnerability
Details

It was discovered that the Python stdlib ipaddress API incorrectly handled octal strings. A remote attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain access restrictions.

References

Affected packages

Ubuntu:20.04:LTS / python3.8

Package

Name
python3.8
Purl
pkg:deb/ubuntu/python3.8@3.8.5-1~20.04.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.8.5-1~20.04.3

Affected versions

3.*

3.8.0-1
3.8.0-2
3.8.0-3
3.8.0-4
3.8.0-5
3.8.1-2ubuntu3
3.8.2~rc1-1ubuntu1
3.8.2-1
3.8.2-1ubuntu1
3.8.2-1ubuntu1.1
3.8.2-1ubuntu1.2
3.8.5-1~20.04
3.8.5-1~20.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "idle-python3.8",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "libpython3.8",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "libpython3.8-dev",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "libpython3.8-minimal",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "libpython3.8-stdlib",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "libpython3.8-testsuite",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "python3.8",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "python3.8-dev",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "python3.8-examples",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "python3.8-minimal",
            "binary_version": "3.8.5-1~20.04.3"
        },
        {
            "binary_name": "python3.8-venv",
            "binary_version": "3.8.5-1~20.04.3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": []
}