USN-4754-1

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-4754-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4754-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4754-1
Upstream
Related
Published
2021-02-25T12:05:23.370786Z
Modified
2025-07-16T08:54:24.949865Z
Summary
python2.7, python3.4, python3.5, python3.6, python3.8 vulnerabilities
Details

It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. (CVE-2020-27619, CVE-2021-3177)

References

Affected packages

Ubuntu:14.04:LTS / python2.7

Package

Name
python2.7
Purl
pkg:deb/ubuntu/python2.7@2.7.6-8ubuntu0.6+esm8?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.6-8ubuntu0.6+esm8

Affected versions

2.*

2.7.5-8ubuntu3
2.7.5-8ubuntu4
2.7.6-2
2.7.6-2ubuntu1
2.7.6-3
2.7.6-3ubuntu1
2.7.6-4
2.7.6-4ubuntu1
2.7.6-5
2.7.6-7
2.7.6-8
2.7.6-8ubuntu0.2
2.7.6-8ubuntu0.3
2.7.6-8ubuntu0.4
2.7.6-8ubuntu0.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python2.7-dev",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "python2.7-doc",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "libpython2.7-stdlib",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "libpython2.7-minimal",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "libpython2.7-testsuite",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "python2.7",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "idle-python2.7",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "python2.7-examples",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "libpython2.7",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "libpython2.7-dev",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        },
        {
            "binary_name": "python2.7-minimal",
            "binary_version": "2.7.6-8ubuntu0.6+esm8"
        }
    ]
}

Ubuntu:14.04:LTS / python3.4

Package

Name
python3.4
Purl
pkg:deb/ubuntu/python3.4@3.4.3-1ubuntu1~14.04.7+esm10?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.3-1ubuntu1~14.04.7+esm10

Affected versions

3.*

3.4~b1-0ubuntu3
3.4~b1-4ubuntu4
3.4~b1-4ubuntu6
3.4~b1-5ubuntu2
3.4~b2-1
3.4~b3-1ubuntu1
3.4~rc1-1build1
3.4~rc2-1
3.4~rc3-0ubuntu1
3.4.0-1
3.4.0-2ubuntu1
3.4.0-2ubuntu1.1
3.4.3-1ubuntu1~14.04.1
3.4.3-1ubuntu1~14.04.3
3.4.3-1ubuntu1~14.04.4
3.4.3-1ubuntu1~14.04.5
3.4.3-1ubuntu1~14.04.6
3.4.3-1ubuntu1~14.04.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python3.4-examples",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "libpython3.4-testsuite",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "libpython3.4-dev",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "python3.4-minimal",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "python3.4-venv",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "python3.4-doc",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "libpython3.4-stdlib",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "python3.4-dev",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "idle-python3.4",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "python3.4",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "libpython3.4-minimal",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        },
        {
            "binary_name": "libpython3.4",
            "binary_version": "3.4.3-1ubuntu1~14.04.7+esm10"
        }
    ]
}

Ubuntu:16.04:LTS / python2.7

Package

Name
python2.7
Purl
pkg:deb/ubuntu/python2.7@2.7.12-1ubuntu0~16.04.14?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.12-1ubuntu0~16.04.14

Affected versions

2.*

2.7.10-4ubuntu1
2.7.10-4ubuntu2
2.7.11-2
2.7.11-3
2.7.11-4
2.7.11-6
2.7.11-7
2.7.11-7ubuntu1
2.7.12-1~16.04
2.7.12-1ubuntu0~16.04.1
2.7.12-1ubuntu0~16.04.2
2.7.12-1ubuntu0~16.04.3
2.7.12-1ubuntu0~16.04.4
2.7.12-1ubuntu0~16.04.8
2.7.12-1ubuntu0~16.04.9
2.7.12-1ubuntu0~16.04.11
2.7.12-1ubuntu0~16.04.12
2.7.12-1ubuntu0~16.04.13

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idle-python2.7",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-dbg",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-dbgsym",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-dev",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-dev-dbgsym",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-minimal",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-minimal-dbgsym",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-stdlib",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-stdlib-dbgsym",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "libpython2.7-testsuite",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "python2.7",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "python2.7-dbg",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "python2.7-dev",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "python2.7-doc",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "python2.7-examples",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        },
        {
            "binary_name": "python2.7-minimal",
            "binary_version": "2.7.12-1ubuntu0~16.04.14"
        }
    ]
}

Ubuntu:16.04:LTS / python3.5

Package

Name
python3.5
Purl
pkg:deb/ubuntu/python3.5@3.5.2-2ubuntu0~16.04.13?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.2-2ubuntu0~16.04.13

Affected versions

3.*

3.5.0-3
3.5.0-3ubuntu1
3.5.1~rc1-2ubuntu1
3.5.1-1
3.5.1-2
3.5.1-3
3.5.1-5
3.5.1-6ubuntu1
3.5.1-6ubuntu2
3.5.1-9ubuntu1
3.5.1-10
3.5.2-2~16.01
3.5.2-2~16.04
3.5.2-2ubuntu0~16.04.1
3.5.2-2ubuntu0~16.04.2
3.5.2-2ubuntu0~16.04.3
3.5.2-2ubuntu0~16.04.4
3.5.2-2ubuntu0~16.04.5
3.5.2-2ubuntu0~16.04.8
3.5.2-2ubuntu0~16.04.9
3.5.2-2ubuntu0~16.04.10
3.5.2-2ubuntu0~16.04.11
3.5.2-2ubuntu0~16.04.12

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idle-python3.5",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-dbg",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-dbgsym",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-dev",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-dev-dbgsym",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-minimal",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-minimal-dbgsym",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-stdlib",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-stdlib-dbgsym",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "libpython3.5-testsuite",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5-dbg",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5-dev",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5-doc",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5-examples",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5-minimal",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        },
        {
            "binary_name": "python3.5-venv",
            "binary_version": "3.5.2-2ubuntu0~16.04.13"
        }
    ]
}

Ubuntu:18.04:LTS / python2.7

Package

Name
python2.7
Purl
pkg:deb/ubuntu/python2.7@2.7.17-1~18.04ubuntu1.3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.17-1~18.04ubuntu1.3

Affected versions

2.*

2.7.14-2ubuntu2
2.7.14-4
2.7.14-6
2.7.14-7
2.7.14-8
2.7.15~rc1-1
2.7.15~rc1-1ubuntu0.1
2.7.15-4ubuntu4~18.04
2.7.15-4ubuntu4~18.04.1
2.7.15-4ubuntu4~18.04.2
2.7.17-1~18.04
2.7.17-1~18.04ubuntu1
2.7.17-1~18.04ubuntu1.1
2.7.17-1~18.04ubuntu1.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idle-python2.7",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "libpython2.7",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "libpython2.7-dbg",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "libpython2.7-dev",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "libpython2.7-minimal",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "libpython2.7-stdlib",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "libpython2.7-testsuite",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "python2.7",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "python2.7-dbg",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "python2.7-dev",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "python2.7-doc",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "python2.7-examples",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        },
        {
            "binary_name": "python2.7-minimal",
            "binary_version": "2.7.17-1~18.04ubuntu1.3"
        }
    ]
}

Ubuntu:18.04:LTS / python3.6

Package

Name
python3.6
Purl
pkg:deb/ubuntu/python3.6@3.6.9-1~18.04ubuntu1.4?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.9-1~18.04ubuntu1.4

Affected versions

3.*

3.6.3-1ubuntu1
3.6.4~rc1-1
3.6.4~rc1-2
3.6.4-1
3.6.4-2
3.6.4-3build1
3.6.4-4
3.6.5~rc1-1
3.6.5-3
3.6.6-1~18.04
3.6.7-1~18.04
3.6.8-1~18.04.1
3.6.8-1~18.04.2
3.6.8-1~18.04.3
3.6.9-1~18.04
3.6.9-1~18.04ubuntu1
3.6.9-1~18.04ubuntu1.1
3.6.9-1~18.04ubuntu1.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idle-python3.6",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "libpython3.6",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "libpython3.6-dbg",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "libpython3.6-dev",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "libpython3.6-minimal",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "libpython3.6-stdlib",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "libpython3.6-testsuite",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6-dbg",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6-dev",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6-doc",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6-examples",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6-minimal",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        },
        {
            "binary_name": "python3.6-venv",
            "binary_version": "3.6.9-1~18.04ubuntu1.4"
        }
    ]
}

Ubuntu:20.04:LTS / python3.8

Package

Name
python3.8
Purl
pkg:deb/ubuntu/python3.8@3.8.5-1~20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.8.5-1~20.04.2

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "idle-python3.8",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "libpython3.8",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "libpython3.8-dbg",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "libpython3.8-dev",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "libpython3.8-minimal",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "libpython3.8-stdlib",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "libpython3.8-testsuite",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8-dbg",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8-dev",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8-doc",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8-examples",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8-minimal",
            "binary_version": "3.8.5-1~20.04.2"
        },
        {
            "binary_name": "python3.8-venv",
            "binary_version": "3.8.5-1~20.04.2"
        }
    ]
}