USN-7547-1

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Source
https://ubuntu.com/security/notices/USN-7547-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7547-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7547-1
Upstream
Related
Published
2025-06-02T09:04:10.613865Z
Modified
2025-10-13T04:41:31Z
Summary
python-tornado vulnerability
Details

It was discovered that Tornado inefficiently handled requests when parsing certain form data. An attacker could possibly use this issue to increase resource utilization leading to a denial of service. This issue was only addressed in Ubuntu 24.04 LTS and Ubuntu 22.04 LTS. (CVE-2025-47287)

References

Affected packages

Ubuntu:Pro:22.04:LTS / python-tornado

Package

Name
python-tornado
Purl
pkg:deb/ubuntu/python-tornado@6.1.0-3ubuntu0.1~esm2?arch=source&distro=esm-apps/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.0-3ubuntu0.1~esm2

Affected versions

6.*

6.1.0-1build1
6.1.0-2
6.1.0-3
6.1.0-3build1
6.1.0-3ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "6.1.0-3ubuntu0.1~esm2",
            "binary_name": "python3-tornado"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2025-47287"
            }
        ],
        "ecosystem": "Ubuntu:Pro:22.04:LTS"
    }
}

Ubuntu:24.04:LTS / python-tornado

Package

Name
python-tornado
Purl
pkg:deb/ubuntu/python-tornado@6.4.0-1ubuntu0.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.4.0-1ubuntu0.2

Affected versions

6.*

6.3.2-1
6.4.0-0ubuntu1
6.4.0-1
6.4.0-1build1
6.4.0-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "6.4.0-1ubuntu0.2",
            "binary_name": "python3-tornado"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2025-47287"
            }
        ],
        "ecosystem": "Ubuntu:24.04:LTS"
    }
}

Ubuntu:25.04 / python-tornado

Package

Name
python-tornado
Purl
pkg:deb/ubuntu/python-tornado@6.4.2-1ubuntu0.25.04.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.4.2-1ubuntu0.25.04.1

Affected versions

6.*

6.4.1-2
6.4.1-3
6.4.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "6.4.2-1ubuntu0.25.04.1",
            "binary_name": "python3-tornado"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2025-47287"
            }
        ],
        "ecosystem": "Ubuntu:25.04"
    }
}