USN-6853-1

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Source
https://ubuntu.com/security/notices/USN-6853-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6853-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6853-1
Upstream
Related
Published
2024-06-26T12:27:29.717655Z
Modified
2025-10-13T04:37:33Z
Summary
ruby2.7, ruby3.0, ruby3.1 vulnerability
Details

It was discovered that Ruby incorrectly handled the ungetbyte and ungetc methods. A remote attacker could use this issue to cause Ruby to crash, resulting in a denial of service, or possibly obtain sensitive information.

References

Affected packages

Ubuntu:20.04:LTS / ruby2.7

Package

Name
ruby2.7
Purl
pkg:deb/ubuntu/ruby2.7@2.7.0-5ubuntu1.14?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.0-5ubuntu1.14

Affected versions

2.*

2.7.0-1
2.7.0-2
2.7.0-3
2.7.0-4
2.7.0-4ubuntu1
2.7.0-5ubuntu1
2.7.0-5ubuntu1.1
2.7.0-5ubuntu1.2
2.7.0-5ubuntu1.3
2.7.0-5ubuntu1.4
2.7.0-5ubuntu1.5
2.7.0-5ubuntu1.6
2.7.0-5ubuntu1.7
2.7.0-5ubuntu1.8
2.7.0-5ubuntu1.9
2.7.0-5ubuntu1.10
2.7.0-5ubuntu1.11
2.7.0-5ubuntu1.12
2.7.0-5ubuntu1.13

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libruby2.7",
            "binary_version": "2.7.0-5ubuntu1.14"
        },
        {
            "binary_name": "ruby2.7",
            "binary_version": "2.7.0-5ubuntu1.14"
        },
        {
            "binary_name": "ruby2.7-dev",
            "binary_version": "2.7.0-5ubuntu1.14"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2024-27280",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:22.04:LTS / ruby3.0

Package

Name
ruby3.0
Purl
pkg:deb/ubuntu/ruby3.0@3.0.2-7ubuntu2.7?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.0.2-7ubuntu2.7

Affected versions

3.*

3.0.2-5ubuntu1
3.0.2-7
3.0.2-7ubuntu2
3.0.2-7ubuntu2.1
3.0.2-7ubuntu2.2
3.0.2-7ubuntu2.3
3.0.2-7ubuntu2.4
3.0.2-7ubuntu2.5
3.0.2-7ubuntu2.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libruby3.0",
            "binary_version": "3.0.2-7ubuntu2.7"
        },
        {
            "binary_name": "ruby3.0",
            "binary_version": "3.0.2-7ubuntu2.7"
        },
        {
            "binary_name": "ruby3.0-dev",
            "binary_version": "3.0.2-7ubuntu2.7"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2024-27280",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}