USN-7368-1

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Source
https://ubuntu.com/security/notices/USN-7368-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7368-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7368-1
Upstream
Related
Published
2025-03-27T16:01:29.621804Z
Modified
2025-10-13T04:40:32Z
Summary
snakeyaml vulnerability
Details

It was discovered that SnakeYAML incorrectly handled recursive entity references. An attacker could possibly use this issue to cause SnakeYAML to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / snakeyaml

Package

Name
snakeyaml
Purl
pkg:deb/ubuntu/snakeyaml@1.12-2ubuntu0.14.04.1~esm2?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.12-2ubuntu0.14.04.1~esm2

Affected versions

1.*

1.12-2
1.12-2ubuntu0.14.04.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyaml-snake-java",
            "binary_version": "1.12-2ubuntu0.14.04.1~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2017-18640",
            "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:Pro:16.04:LTS / snakeyaml

Package

Name
snakeyaml
Purl
pkg:deb/ubuntu/snakeyaml@1.12-2ubuntu0.16.04.1~esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.12-2ubuntu0.16.04.1~esm2

Affected versions

1.*

1.12-2
1.12-2ubuntu0.16.04.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyaml-snake-java",
            "binary_version": "1.12-2ubuntu0.16.04.1~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2017-18640",
            "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:Pro:18.04:LTS / snakeyaml

Package

Name
snakeyaml
Purl
pkg:deb/ubuntu/snakeyaml@1.23-1+deb10u1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.23-1+deb10u1ubuntu0.1~esm1

Affected versions

1.*

1.17-1
1.19-1
1.20-1
1.23-1~18.04
1.23-1+deb10u1build0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyaml-snake-java",
            "binary_version": "1.23-1+deb10u1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2017-18640",
            "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

Ubuntu:Pro:20.04:LTS / snakeyaml

Package

Name
snakeyaml
Purl
pkg:deb/ubuntu/snakeyaml@1.25+ds-2ubuntu0.1+esm1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1.*

1.23-1
1.25+ds-2
1.25+ds-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libyaml-snake-java",
            "binary_version": "1.25+ds-2ubuntu0.1+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2017-18640",
            "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"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}