USN-4378-1

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Source
https://ubuntu.com/security/notices/USN-4378-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4378-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4378-1
Upstream
Related
Published
2020-06-01T15:28:34.923582Z
Modified
2025-10-13T04:35:08Z
Summary
flask vulnerability
Details

It was discovered that Flask incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / flask

Package

Name
flask
Purl
pkg:deb/ubuntu/flask@0.10.1-2ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.10.1-2ubuntu0.1~esm1

Affected versions

0.*

0.10.1-2
0.10.1-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.10.1-2ubuntu0.1~esm1",
            "binary_name": "python-flask"
        },
        {
            "binary_version": "0.10.1-2ubuntu0.1~esm1",
            "binary_name": "python3-flask"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4378-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-1000656",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:16.04:LTS / flask

Package

Name
flask
Purl
pkg:deb/ubuntu/flask@0.10.1-2ubuntu0.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.10.1-2ubuntu0.1

Affected versions

0.*

0.10.1-2build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.10.1-2ubuntu0.1",
            "binary_name": "python-flask"
        },
        {
            "binary_version": "0.10.1-2ubuntu0.1",
            "binary_name": "python3-flask"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4378-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-1000656",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:18.04:LTS / flask

Package

Name
flask
Purl
pkg:deb/ubuntu/flask@0.12.2-3ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.12.2-3ubuntu0.1

Affected versions

0.*

0.12.2-2
0.12.2-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.12.2-3ubuntu0.1",
            "binary_name": "python-flask"
        },
        {
            "binary_version": "0.12.2-3ubuntu0.1",
            "binary_name": "python3-flask"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4378-1.json"

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-1000656",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}