USN-4666-2

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Source
https://ubuntu.com/security/notices/USN-4666-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4666-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4666-2
Related
Published
2020-12-11T00:39:06.738063Z
Modified
2020-12-11T00:39:06.738063Z
Summary
lxml vulnerability
Details

USN-4666-1 partially fixed a vulnerability in lxml, but an additional patch was needed. This update provides the corresponding additional patch in order to properly fix the vulnerability.

Original advisory details:

It was discovered that lxml incorrectly handled certain HTML. An attacker could possibly use this issue to cross-site scripting (XSS) attacks.

References

Affected packages

Ubuntu:Pro:14.04:LTS / lxml

Package

Name
lxml
Purl
pkg:deb/ubuntu/lxml@3.3.3-1ubuntu0.2+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.3-1ubuntu0.2+esm2

Affected versions

3.*

3.2.0-1
3.3.0~beta2-1
3.3.0~beta4-1
3.3.1-1
3.3.2-1
3.3.2-1build1
3.3.3-1
3.3.3-1ubuntu0.1
3.3.3-1ubuntu0.2
3.3.3-1ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-lxml",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "python-lxml-dbg",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "python-lxml-dbgsym",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "python-lxml-doc",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "python3-lxml",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "python3-lxml-dbg",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        },
        {
            "binary_name": "python3-lxml-dbgsym",
            "binary_version": "3.3.3-1ubuntu0.2+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / lxml

Package

Name
lxml
Purl
pkg:deb/ubuntu/lxml@3.5.0-1ubuntu0.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.0-1ubuntu0.3

Affected versions

3.*

3.4.4-1
3.5.0-1
3.5.0-1build1
3.5.0-1ubuntu0.1
3.5.0-1ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-lxml",
            "binary_version": "3.5.0-1ubuntu0.3"
        },
        {
            "binary_name": "python-lxml-dbg",
            "binary_version": "3.5.0-1ubuntu0.3"
        },
        {
            "binary_name": "python-lxml-doc",
            "binary_version": "3.5.0-1ubuntu0.3"
        },
        {
            "binary_name": "python3-lxml",
            "binary_version": "3.5.0-1ubuntu0.3"
        },
        {
            "binary_name": "python3-lxml-dbg",
            "binary_version": "3.5.0-1ubuntu0.3"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / lxml

Package

Name
lxml
Purl
pkg:deb/ubuntu/lxml@4.2.1-1ubuntu0.3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.1-1ubuntu0.3

Affected versions

4.*

4.0.0-1
4.1.0-1
4.2.0-1
4.2.1-1
4.2.1-1ubuntu0.1
4.2.1-1ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-lxml",
            "binary_version": "4.2.1-1ubuntu0.3"
        },
        {
            "binary_name": "python-lxml-dbg",
            "binary_version": "4.2.1-1ubuntu0.3"
        },
        {
            "binary_name": "python-lxml-doc",
            "binary_version": "4.2.1-1ubuntu0.3"
        },
        {
            "binary_name": "python3-lxml",
            "binary_version": "4.2.1-1ubuntu0.3"
        },
        {
            "binary_name": "python3-lxml-dbg",
            "binary_version": "4.2.1-1ubuntu0.3"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / lxml

Package

Name
lxml
Purl
pkg:deb/ubuntu/lxml@4.5.0-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.5.0-1ubuntu0.2

Affected versions

4.*

4.4.1-1
4.4.1-1build1
4.4.2-1
4.5.0-1
4.5.0-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-lxml",
            "binary_version": "4.5.0-1ubuntu0.2"
        },
        {
            "binary_name": "python-lxml-dbg",
            "binary_version": "4.5.0-1ubuntu0.2"
        },
        {
            "binary_name": "python-lxml-doc",
            "binary_version": "4.5.0-1ubuntu0.2"
        },
        {
            "binary_name": "python3-lxml",
            "binary_version": "4.5.0-1ubuntu0.2"
        },
        {
            "binary_name": "python3-lxml-dbg",
            "binary_version": "4.5.0-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}