USN-4856-1

Source
https://ubuntu.com/security/notices/USN-4856-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4856-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4856-1
Upstream
Related
Published
2021-03-15T22:42:37.444136Z
Modified
2025-10-13T04:35:24Z
Summary
golang-github-docker-docker-credential-helpers vulnerability
Details

Jasiel Spelman discovered that docker-credential-helpers has a double free. A local attacker could use this to cause a denial of service (crash) or possibly execute arbitrary code.

References

Affected packages

Ubuntu:Pro:18.04:LTS / golang-github-docker-docker-credential-helpers

Package

Name
golang-github-docker-docker-credential-helpers
Purl
pkg:deb/ubuntu/golang-github-docker-docker-credential-helpers@0.5.0-2ubuntu0.1+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.0-2ubuntu0.1+esm1

Affected versions

0.*

0.5.0-2
0.5.0-2ubuntu0.1~esm1
0.5.0-2ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-docker-credential-helpers",
            "binary_version": "0.5.0-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "golang-github-docker-docker-credential-helpers-dev",
            "binary_version": "0.5.0-2ubuntu0.1+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-1020014",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}