USN-7612-1

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Source
https://ubuntu.com/security/notices/USN-7612-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7612-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7612-1
Upstream
Related
Published
2025-07-02T04:59:38.363109Z
Modified
2025-10-13T04:42:06Z
Summary
python-flask-cors vulnerabilities
Details

It was discovered that Flask-CORS did not correctly handle certain regular expressions. A remote attacker could possibly use this issue to leak sensitive information or bypass authentication mechanisms. (CVE-2024-6839) It was discovered that Flask-CORS allowed certain CORS headers to be enabled by default. A remote attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2024-6221) It was discovered that Flask-CORS did not correctly handle case sensitivity when matching paths. A remote attacker could possibly use this issue to leak sensitive information. (CVE-2024-6866) It was discovered that Flask-CORS did not correctly handle certain characters in URL paths. A remote attacker could possibly use this issue to leak sensitive information or bypass authentication mechanisms. (CVE-2024-6844) Elias Hohl was discovered that Flask-CORS did not correctly sanitize log entries. A remote attacker could possibly use this issue to corrupt log files. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-1681)

References

Affected packages

Ubuntu:Pro:20.04:LTS / python-flask-cors

Package

Name
python-flask-cors
Purl
pkg:deb/ubuntu/python-flask-cors@3.0.8-2ubuntu0.1+esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.8-2ubuntu0.1+esm1

Affected versions

3.*

3.0.8-2
3.0.8-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0.8-2ubuntu0.1+esm1",
            "binary_name": "python3-flask-cors"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-1681"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6221"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6839"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6844"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6866"
            }
        ],
        "ecosystem": "Ubuntu:Pro:20.04:LTS"
    }
}

Ubuntu:22.04:LTS / python-flask-cors

Package

Name
python-flask-cors
Purl
pkg:deb/ubuntu/python-flask-cors@3.0.9-2ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.9-2ubuntu0.1

Affected versions

3.*

3.0.9-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0.9-2ubuntu0.1",
            "binary_name": "python3-flask-cors"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-1681"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6221"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6839"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6844"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6866"
            }
        ],
        "ecosystem": "Ubuntu:22.04:LTS"
    }
}

Ubuntu:Pro:24.04:LTS / python-flask-cors

Package

Name
python-flask-cors
Purl
pkg:deb/ubuntu/python-flask-cors@4.0.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.0.0-1ubuntu0.1~esm1

Affected versions

4.*

4.0.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.0.0-1ubuntu0.1~esm1",
            "binary_name": "python3-flask-cors"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-1681"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6221"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6839"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6844"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6866"
            }
        ],
        "ecosystem": "Ubuntu:Pro:24.04:LTS"
    }
}

Ubuntu:25.04 / python-flask-cors

Package

Name
python-flask-cors
Purl
pkg:deb/ubuntu/python-flask-cors@5.0.0-1ubuntu0.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.0.0-1ubuntu0.1

Affected versions

4.*

4.0.1-1

5.*

5.0.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "5.0.0-1ubuntu0.1",
            "binary_name": "python3-flask-cors"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6839"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6844"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2024-6866"
            }
        ],
        "ecosystem": "Ubuntu:25.04"
    }
}