USN-4940-1

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Source

https://ubuntu.com/security/notices/USN-4940-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4940-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-4940-1

Related

Published

2021-05-10T14:19:33.037369Z

Modified

2021-05-10T14:19:33.037369Z

Summary

pyyaml vulnerability

Details

It was discovered that PyYAML incorrectly handled untrusted YAML files with the FullLoader loader. A remote attacker could possibly use this issue to execute arbitrary code.

References

Affected packages

Ubuntu:20.04:LTS / pyyaml

Package

Name: pyyaml
Purl: pkg:deb/ubuntu/pyyaml@5.3.1-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.1-1ubuntu0.1

Affected versions

5.*

5.1.2-1

5.1.2-1build1

5.3-1ubuntu1

5.3-1ubuntu2

5.3-1ubuntu3

5.3-2

5.3.1-1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-yaml",
            "binary_version": "5.3.1-1ubuntu0.1"
        },
        {
            "binary_name": "python-yaml-dbg",
            "binary_version": "5.3.1-1ubuntu0.1"
        },
        {
            "binary_name": "python3-yaml",
            "binary_version": "5.3.1-1ubuntu0.1"
        },
        {
            "binary_name": "python3-yaml-dbg",
            "binary_version": "5.3.1-1ubuntu0.1"
        }
    ]
}