USN-4673-1

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Source
https://ubuntu.com/security/notices/USN-4673-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4673-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4673-1
Upstream
Related
Published
2021-01-04T12:38:58.301977Z
Modified
2025-10-13T04:35:18Z
Summary
libproxy vulnerability
Details

Li Fei discovered that libproxy incorrectly handled certain PAC files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

References

Affected packages

Ubuntu:16.04:LTS / libproxy

Package

Name
libproxy
Purl
pkg:deb/ubuntu/libproxy@0.4.11-5ubuntu1.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.11-5ubuntu1.2

Affected versions

0.*

0.4.11-4ubuntu3~gcc5.3
0.4.11-5ubuntu1
0.4.11-5ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy-cil-dev"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy-dev"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy-tools"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy0.4-cil"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy1-plugin-gsettings"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy1-plugin-kconfig"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy1-plugin-networkmanager"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy1-plugin-webkit"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "libproxy1v5"
        },
        {
            "binary_version": "0.4.11-5ubuntu1.2",
            "binary_name": "python-libproxy"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-26154",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / libproxy

Package

Name
libproxy
Purl
pkg:deb/ubuntu/libproxy@0.4.15-1ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.15-1ubuntu0.2

Affected versions

0.*

0.4.14-3
0.4.15-0ubuntu1
0.4.15-1
0.4.15-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy-cil-dev"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy-dev"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy-tools"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy0.4-cil"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy1-plugin-gsettings"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy1-plugin-kconfig"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy1-plugin-networkmanager"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy1-plugin-webkit"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "libproxy1v5"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "python-libproxy"
        },
        {
            "binary_version": "0.4.15-1ubuntu0.2",
            "binary_name": "python3-libproxy"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-26154",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / libproxy

Package

Name
libproxy
Purl
pkg:deb/ubuntu/libproxy@0.4.15-10ubuntu1.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.15-10ubuntu1.2

Affected versions

0.*

0.4.15-7
0.4.15-9
0.4.15-9build1
0.4.15-9ubuntu1
0.4.15-10
0.4.15-10ubuntu1
0.4.15-10ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy-cil-dev"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy-dev"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy-tools"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy0.4-cil"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy1-plugin-gsettings"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy1-plugin-kconfig"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy1-plugin-mozjs"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy1-plugin-networkmanager"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy1-plugin-webkit"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "libproxy1v5"
        },
        {
            "binary_version": "0.4.15-10ubuntu1.2",
            "binary_name": "python3-libproxy"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-26154",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}