USN-6629-3

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Source
https://ubuntu.com/security/notices/USN-6629-3
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6629-3.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6629-3
Upstream
Related
Published
2024-02-14T14:32:36.531383Z
Modified
2025-10-13T04:36:46Z
Summary
ujson vulnerabilities
Details

USN-6629-1 fixed vulnerabilities in UltraJSON. This update provides the corresponding updates for Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that UltraJSON incorrectly handled certain input with a large amount of indentation. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2021-45958)

Jake Miller discovered that UltraJSON incorrectly decoded certain characters. An attacker could possibly use this issue to cause key confusion and overwrite values in dictionaries. (CVE-2022-31116)

It was discovered that UltraJSON incorrectly handled an error when reallocating a buffer for string decoding. An attacker could possibly use this issue to corrupt memory. (CVE-2022-31117)

References

Affected packages

Ubuntu:Pro:20.04:LTS / ujson

Package

Name
ujson
Purl
pkg:deb/ubuntu/ujson@1.35-4ubuntu0.1+esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.35-4ubuntu0.1+esm1

Affected versions

1.*

1.35-3build1
1.35-3build2
1.35-4
1.35-4build1
1.35-4ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.35-4ubuntu0.1+esm1",
            "binary_name": "python3-ujson"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "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": "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-2022-31116"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2022-31117"
        }
    ]
}