USN-7646-1

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Source
https://ubuntu.com/security/notices/USN-7646-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7646-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7646-1
Upstream
Related
Published
2025-07-17T14:22:57.447263Z
Modified
2025-10-13T04:42:07Z
Summary
rails vulnerability
Details

It was discovered that Rails did not correctly handle headers. An attacker could potentially use this issue to view arbitrary files on a target server. (CVE-2019-5418)

References

Affected packages

Ubuntu:Pro:16.04:LTS / rails

Package

Name
rails
Purl
pkg:deb/ubuntu/rails@2:4.2.6-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.2.6-1ubuntu0.1~esm2

Affected versions

2:4.*

2:4.1.10-1
2:4.2.5-1
2:4.2.5.1-1
2:4.2.5.2-2
2:4.2.6-1
2:4.2.6-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "rails"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-actionmailer"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-actionpack"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-actionview"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-activejob"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-activemodel"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-activerecord"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-activesupport"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-rails"
        },
        {
            "binary_version": "2:4.2.6-1ubuntu0.1~esm2",
            "binary_name": "ruby-railties"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-5418",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / rails

Package

Name
rails
Purl
pkg:deb/ubuntu/rails@2:4.2.10-0ubuntu4+esm2?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.2.10-0ubuntu4+esm2

Affected versions

2:4.*

2:4.2.9-2
2:4.2.9-4
2:4.2.10-0ubuntu4
2:4.2.10-0ubuntu4+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "rails"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-actionmailer"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-actionpack"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-actionview"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-activejob"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-activemodel"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-activerecord"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-activesupport"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-rails"
        },
        {
            "binary_version": "2:4.2.10-0ubuntu4+esm2",
            "binary_name": "ruby-railties"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-5418",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}