USN-4759-1

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Source
https://ubuntu.com/security/notices/USN-4759-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4759-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4759-1
Upstream
Related
Published
2021-03-08T18:15:59.165045Z
Modified
2025-10-13T04:35:23Z
Summary
glib2.0 vulnerabilities
Details

Krzesimir Nowak discovered that GLib incorrectly handled certain large buffers. A remote attacker could use this issue to cause applications linked to GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-27218)

Kevin Backhouse discovered that GLib incorrectly handled certain memory allocations. A remote attacker could use this issue to cause applications linked to GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-27219)

References

Affected packages

Ubuntu:16.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.48.2-0ubuntu4.7?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.48.2-0ubuntu4.7

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.48.2-0ubuntu4.7"
        },
        {
            "binary_name": "libglib2.0-0-refdbg",
            "binary_version": "2.48.2-0ubuntu4.7"
        },
        {
            "binary_name": "libglib2.0-bin",
            "binary_version": "2.48.2-0ubuntu4.7"
        },
        {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.48.2-0ubuntu4.7"
        },
        {
            "binary_name": "libglib2.0-dev",
            "binary_version": "2.48.2-0ubuntu4.7"
        },
        {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.48.2-0ubuntu4.7"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-27218",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2021-27219",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.56.4-0ubuntu0.18.04.7?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.56.4-0ubuntu0.18.04.7

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
        },
        {
            "binary_name": "libglib2.0-bin",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
        },
        {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
        },
        {
            "binary_name": "libglib2.0-dev",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
        },
        {
            "binary_name": "libglib2.0-dev-bin",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
        },
        {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-27218",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2021-27219",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / glib2.0

Package

Name
glib2.0
Purl
pkg:deb/ubuntu/glib2.0@2.64.6-1~ubuntu20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.64.6-1~ubuntu20.04.2

Affected versions

2.*

2.62.1-1
2.63.1-2
2.63.1-2ubuntu1
2.63.3-1
2.63.3-3
2.63.5-2
2.64.0-1
2.64.1-1
2.64.2-1~fakesync1
2.64.3-1~ubuntu20.04.1
2.64.6-1~ubuntu20.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
        },
        {
            "binary_name": "libglib2.0-bin",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
        },
        {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
        },
        {
            "binary_name": "libglib2.0-dev",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
        },
        {
            "binary_name": "libglib2.0-dev-bin",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
        },
        {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-27218",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2021-27219",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}