USN-5526-1

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Source
https://ubuntu.com/security/notices/USN-5526-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5526-1
Upstream
Related
Published
2022-07-20T01:09:23.937171Z
Modified
2025-10-13T04:36:01Z
Summary
pyjwt vulnerability
Details

Aapo Oksman discovered that PyJWT incorrectly handled signatures constructed from SSH public keys. A remote attacker could use this to forge a JWT signature.

References

Affected packages

Ubuntu:18.04:LTS / pyjwt

Package

Name
pyjwt
Purl
pkg:deb/ubuntu/pyjwt@1.5.3+ds1-1ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.3+ds1-1ubuntu0.1

Affected versions

1.*

1.4.2-1.1
1.5.3+ds1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-jwt",
            "binary_version": "1.5.3+ds1-1ubuntu0.1"
        },
        {
            "binary_name": "python3-jwt",
            "binary_version": "1.5.3+ds1-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json"

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2022-29217"
        }
    ]
}

Ubuntu:20.04:LTS / pyjwt

Package

Name
pyjwt
Purl
pkg:deb/ubuntu/pyjwt@1.7.1-2ubuntu2.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.7.1-2ubuntu2.1

Affected versions

1.*

1.7.0-2
1.7.1-1
1.7.1-2ubuntu1
1.7.1-2ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-jwt",
            "binary_version": "1.7.1-2ubuntu2.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json"

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2022-29217"
        }
    ]
}

Ubuntu:22.04:LTS / pyjwt

Package

Name
pyjwt
Purl
pkg:deb/ubuntu/pyjwt@2.3.0-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-1ubuntu0.1

Affected versions

1.*

1.7.1-2ubuntu2

2.*

2.1.0-1
2.3.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python3-jwt",
            "binary_version": "2.3.0-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5526-1.json"

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2022-29217"
        }
    ]
}