USN-5189-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-5189-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5189-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5189-1
Upstream
Related
Published
2021-12-13T19:48:07.432991Z
Modified
2025-10-14T16:38:27Z
Summary
A security issue was fixed in GLib
Details

It was discovered that GLib incorrectly handled certain environment variables. An attacker could possibly use this issue to escalate privileges.

References

Affected packages

Ubuntu:Pro:14.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.40.2-0ubuntu1.1+esm4?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.40.2-0ubuntu1.1+esm4

Affected versions

2.*

2.38.0-1ubuntu1
2.38.1-1
2.39.1-0ubuntu1
2.39.1-0ubuntu2
2.39.1-0ubuntu3
2.39.2-0ubuntu1
2.39.2-0ubuntu2
2.39.3-0ubuntu4
2.39.4-0ubuntu1
2.39.90-0ubuntu1
2.39.91-0ubuntu2
2.39.91-0ubuntu3
2.39.92-2
2.40.0-1
2.40.0-1ubuntu1
2.40.0-2
2.40.2-0ubuntu1
2.40.2-0ubuntu1.1
2.40.2-0ubuntu1.1+esm1
2.40.2-0ubuntu1.1+esm2
2.40.2-0ubuntu1.1+esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.40.2-0ubuntu1.1+esm4",
            "binary_name": "libglib2.0-0"
        },
        {
            "binary_version": "2.40.2-0ubuntu1.1+esm4",
            "binary_name": "libglib2.0-0-refdbg"
        },
        {
            "binary_version": "2.40.2-0ubuntu1.1+esm4",
            "binary_name": "libglib2.0-bin"
        },
        {
            "binary_version": "2.40.2-0ubuntu1.1+esm4",
            "binary_name": "libglib2.0-data"
        },
        {
            "binary_version": "2.40.2-0ubuntu1.1+esm4",
            "binary_name": "libglib2.0-dev"
        },
        {
            "binary_version": "2.40.2-0ubuntu1.1+esm4",
            "binary_name": "libglib2.0-tests"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3800",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:16.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.48.2-0ubuntu4.8+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.48.2-0ubuntu4.8+esm1

Affected versions

2.*

2.46.1-1
2.46.1-2
2.47.1-1
2.47.3-3
2.47.4-1
2.47.5-1
2.47.6-1
2.48.0-1ubuntu3
2.48.0-1ubuntu4
2.48.1-1~ubuntu16.04.1
2.48.2-0ubuntu1
2.48.2-0ubuntu3
2.48.2-0ubuntu4
2.48.2-0ubuntu4.1
2.48.2-0ubuntu4.2
2.48.2-0ubuntu4.3
2.48.2-0ubuntu4.4
2.48.2-0ubuntu4.5
2.48.2-0ubuntu4.6
2.48.2-0ubuntu4.7
2.48.2-0ubuntu4.8

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.48.2-0ubuntu4.8+esm1",
            "binary_name": "libglib2.0-0"
        },
        {
            "binary_version": "2.48.2-0ubuntu4.8+esm1",
            "binary_name": "libglib2.0-0-refdbg"
        },
        {
            "binary_version": "2.48.2-0ubuntu4.8+esm1",
            "binary_name": "libglib2.0-bin"
        },
        {
            "binary_version": "2.48.2-0ubuntu4.8+esm1",
            "binary_name": "libglib2.0-data"
        },
        {
            "binary_version": "2.48.2-0ubuntu4.8+esm1",
            "binary_name": "libglib2.0-dev"
        },
        {
            "binary_version": "2.48.2-0ubuntu4.8+esm1",
            "binary_name": "libglib2.0-tests"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3800",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.56.4-0ubuntu0.18.04.9?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.56.4-0ubuntu0.18.04.9

Affected versions

2.*

2.54.1-1ubuntu1
2.55.2-2ubuntu1
2.56.0-2ubuntu1
2.56.0-4ubuntu1
2.56.1-2ubuntu1
2.56.2-0ubuntu0.18.04.1
2.56.2-0ubuntu0.18.04.2
2.56.3-0ubuntu0.18.04.1
2.56.4-0ubuntu0.18.04.2
2.56.4-0ubuntu0.18.04.3
2.56.4-0ubuntu0.18.04.4
2.56.4-0ubuntu0.18.04.5
2.56.4-0ubuntu0.18.04.6
2.56.4-0ubuntu0.18.04.7
2.56.4-0ubuntu0.18.04.8

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.56.4-0ubuntu0.18.04.9",
            "binary_name": "libglib2.0-0"
        },
        {
            "binary_version": "2.56.4-0ubuntu0.18.04.9",
            "binary_name": "libglib2.0-bin"
        },
        {
            "binary_version": "2.56.4-0ubuntu0.18.04.9",
            "binary_name": "libglib2.0-data"
        },
        {
            "binary_version": "2.56.4-0ubuntu0.18.04.9",
            "binary_name": "libglib2.0-dev"
        },
        {
            "binary_version": "2.56.4-0ubuntu0.18.04.9",
            "binary_name": "libglib2.0-dev-bin"
        },
        {
            "binary_version": "2.56.4-0ubuntu0.18.04.9",
            "binary_name": "libglib2.0-tests"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-3800",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}