USN-4108-1

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Source
https://ubuntu.com/security/notices/USN-4108-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4108-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4108-1
Upstream
Related
Published
2019-08-21T13:30:58.243003Z
Modified
2025-10-13T04:34:54Z
Summary
libzstd vulnerability
Details

It was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.

References

Affected packages

Ubuntu:18.04:LTS / libzstd

Package

Name
libzstd
Purl
pkg:deb/ubuntu/libzstd@1.3.3+dfsg-2ubuntu1.1?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*

1.3.1+dfsg-1
1.3.2+dfsg-1
1.3.2+dfsg2-1
1.3.3+dfsg-1
1.3.3+dfsg-1ubuntu1
1.3.3+dfsg-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libzstd-dev",
            "binary_version": "1.3.3+dfsg-2ubuntu1.1"
        },
        {
            "binary_name": "libzstd1",
            "binary_version": "1.3.3+dfsg-2ubuntu1.1"
        },
        {
            "binary_name": "libzstd1-dev",
            "binary_version": "1.3.3+dfsg-2ubuntu1.1"
        },
        {
            "binary_name": "zstd",
            "binary_version": "1.3.3+dfsg-2ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2019-11922"
        }
    ]
}