USN-5548-1

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Source
https://ubuntu.com/security/notices/USN-5548-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5548-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5548-1
Upstream
Related
Published
2022-08-04T17:40:39.868527Z
Modified
2025-10-13T04:36:02Z
Summary
libxml2 vulnerability
Details

It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to execute arbitrary code.

References

Affected packages

Ubuntu:Pro:16.04:LTS / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2@2.9.3+dfsg1-1ubuntu0.7+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.3+dfsg1-1ubuntu0.7+esm3

Affected versions

2.*

2.9.2+zdfsg1-4
2.9.2+zdfsg1-4ubuntu1
2.9.2+zdfsg1-4ubuntu2
2.9.2+zdfsg1-4ubuntu3
2.9.3+dfsg1-1
2.9.3+dfsg1-1ubuntu0.1
2.9.3+dfsg1-1ubuntu0.2
2.9.3+dfsg1-1ubuntu0.3
2.9.3+dfsg1-1ubuntu0.4
2.9.3+dfsg1-1ubuntu0.5
2.9.3+dfsg1-1ubuntu0.6
2.9.3+dfsg1-1ubuntu0.7
2.9.3+dfsg1-1ubuntu0.7+esm1
2.9.3+dfsg1-1ubuntu0.7+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm3",
            "binary_name": "libxml2"
        },
        {
            "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm3",
            "binary_name": "libxml2-dev"
        },
        {
            "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm3",
            "binary_name": "libxml2-utils"
        },
        {
            "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm3",
            "binary_name": "python-libxml2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2016-3709",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2@2.9.4+dfsg1-6.1ubuntu1.7?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.4+dfsg1-6.1ubuntu1.7

Affected versions

2.*

2.9.4+dfsg1-4ubuntu1
2.9.4+dfsg1-5ubuntu1
2.9.4+dfsg1-5ubuntu2
2.9.4+dfsg1-5.1ubuntu1
2.9.4+dfsg1-5.2ubuntu1
2.9.4+dfsg1-6.1ubuntu1
2.9.4+dfsg1-6.1ubuntu1.2
2.9.4+dfsg1-6.1ubuntu1.3
2.9.4+dfsg1-6.1ubuntu1.4
2.9.4+dfsg1-6.1ubuntu1.5
2.9.4+dfsg1-6.1ubuntu1.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.9.4+dfsg1-6.1ubuntu1.7",
            "binary_name": "libxml2"
        },
        {
            "binary_version": "2.9.4+dfsg1-6.1ubuntu1.7",
            "binary_name": "libxml2-dev"
        },
        {
            "binary_version": "2.9.4+dfsg1-6.1ubuntu1.7",
            "binary_name": "libxml2-utils"
        },
        {
            "binary_version": "2.9.4+dfsg1-6.1ubuntu1.7",
            "binary_name": "python-libxml2"
        },
        {
            "binary_version": "2.9.4+dfsg1-6.1ubuntu1.7",
            "binary_name": "python3-libxml2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2016-3709",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / libxml2

Package

Name
libxml2
Purl
pkg:deb/ubuntu/libxml2@2.9.10+dfsg-5ubuntu0.20.04.4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-5ubuntu0.20.04.4

Affected versions

2.*

2.9.4+dfsg1-7ubuntu3
2.9.4+dfsg1-7ubuntu5
2.9.4+dfsg1-8ubuntu1
2.9.4+dfsg1-8ubuntu2
2.9.4+dfsg1-8ubuntu3
2.9.10+dfsg-1ubuntu3
2.9.10+dfsg-4build1
2.9.10+dfsg-5
2.9.10+dfsg-5ubuntu0.20.04.1
2.9.10+dfsg-5ubuntu0.20.04.2
2.9.10+dfsg-5ubuntu0.20.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.9.10+dfsg-5ubuntu0.20.04.4",
            "binary_name": "libxml2"
        },
        {
            "binary_version": "2.9.10+dfsg-5ubuntu0.20.04.4",
            "binary_name": "libxml2-dev"
        },
        {
            "binary_version": "2.9.10+dfsg-5ubuntu0.20.04.4",
            "binary_name": "libxml2-utils"
        },
        {
            "binary_version": "2.9.10+dfsg-5ubuntu0.20.04.4",
            "binary_name": "python-libxml2"
        },
        {
            "binary_version": "2.9.10+dfsg-5ubuntu0.20.04.4",
            "binary_name": "python3-libxml2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2016-3709",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}