UBUNTU-CVE-2021-3800

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Source
https://ubuntu.com/security/CVE-2021-3800
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3800.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3800
Upstream
Downstream
Related
Published
2021-11-02T00:59:00Z
Modified
2025-10-14T16:50:27Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.

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"
        }
    ]
}

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"
        }
    ]
}

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"
        }
    ]
}