USN-5593-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-5593-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5593-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5593-1
Upstream
Related
Published
2022-09-01T23:00:45.160882Z
Modified
2025-10-13T04:36:04Z
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:Pro:16.04:LTS / libzstd

Package

Name
libzstd
Purl
pkg:deb/ubuntu/libzstd@1.3.1+dfsg-1~ubuntu0.16.04.1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.3.1+dfsg-1~ubuntu0.16.04.1+esm2

Affected versions

0.*

0.4.5-1
0.5.1-1

1.*

1.3.1+dfsg-1~ubuntu0.16.04.1
1.3.1+dfsg-1~ubuntu0.16.04.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libzstd1",
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "libzstd1-dev",
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "zstd",
            "binary_version": "1.3.1+dfsg-1~ubuntu0.16.04.1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2019-11922"
        }
    ]
}