USN-7735-1

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Source
https://ubuntu.com/security/notices/USN-7735-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7735-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7735-1
Upstream
Related
Published
2025-09-03T12:43:45.052947Z
Modified
2025-10-13T04:42:22Z
Summary
rubygems vulnerabilities
Details

It was discovered that RubyGems incorrectly handled certain regular expressions. An attacker could use this issue to cause RubyGems to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-28755)

It was discovered that RubyGems incorrectly handled decompressed domain names within a DNS packet. An attacker could use this issue to cause RubyGems to crash, resulting in a denial of service. This issue only affected Ubuntu 25.04. (CVE-2025-24294)

References

Affected packages

Ubuntu:22.04:LTS / rubygems

Package

Name
rubygems
Purl
pkg:deb/ubuntu/rubygems@3.3.5-2ubuntu1.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.5-2ubuntu1.1

Affected versions

3.*

3.2.5-2
3.2.27-2
3.2.27-3
3.3.5-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.3.5-2ubuntu1.1",
            "binary_name": "bundler"
        },
        {
            "binary_version": "2.3.5-2ubuntu1.1",
            "binary_name": "ruby-bundler"
        },
        {
            "binary_version": "3.3.5-2ubuntu1.1",
            "binary_name": "ruby-rubygems"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2023-28755"
            }
        ]
    }
}

Ubuntu:25.04 / rubygems

Package

Name
rubygems
Purl
pkg:deb/ubuntu/rubygems@3.6.3-1ubuntu0.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.3-1ubuntu0.1

Affected versions

3.*

3.4.20-1
3.6.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.6.3-1ubuntu0.1",
            "binary_name": "bundler"
        },
        {
            "binary_version": "2.6.3-1ubuntu0.1",
            "binary_name": "ruby-bundler"
        },
        {
            "binary_version": "3.6.3-1ubuntu0.1",
            "binary_name": "ruby-rubygems"
        }
    ],
    "availability": "No subscription required"
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:25.04",
        "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-2025-24294"
            }
        ]
    }
}