USN-6402-1

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Source
https://ubuntu.com/security/notices/USN-6402-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6402-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6402-1
Upstream
Related
Published
2023-10-02T14:27:58.422272Z
Modified
2025-10-13T04:36:37Z
Summary
libtommath vulnerability
Details

It was discovered that LibTomMath incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code and cause a denial of service (DoS).

References

Affected packages

Ubuntu:Pro:16.04:LTS / libtommath

Package

Name
libtommath
Purl
pkg:deb/ubuntu/libtommath@0.42.0-1.2ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.42.0-1.2ubuntu0.1~esm1

Affected versions

0.*

0.42.0-1.2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libtommath-dev",
            "binary_version": "0.42.0-1.2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libtommath-docs",
            "binary_version": "0.42.0-1.2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libtommath0",
            "binary_version": "0.42.0-1.2ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2023-36328"
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:Pro:18.04:LTS / libtommath

Package

Name
libtommath
Purl
pkg:deb/ubuntu/libtommath@1.0.1-1ubuntu0.1~esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.0.1-1ubuntu0.1~esm1

Affected versions

1.*

1.0-4
1.0.1-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libtommath-dev",
            "binary_version": "1.0.1-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libtommath-docs",
            "binary_version": "1.0.1-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libtommath1",
            "binary_version": "1.0.1-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2023-36328"
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

Ubuntu:20.04:LTS / libtommath

Package

Name
libtommath
Purl
pkg:deb/ubuntu/libtommath@1.2.0-3ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.0-3ubuntu0.1

Affected versions

1.*

1.1.0-3
1.2.0-1
1.2.0-2
1.2.0-3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libtommath-dev",
            "binary_version": "1.2.0-3ubuntu0.1"
        },
        {
            "binary_name": "libtommath1",
            "binary_version": "1.2.0-3ubuntu0.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2023-36328"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:22.04:LTS / libtommath

Package

Name
libtommath
Purl
pkg:deb/ubuntu/libtommath@1.2.0-6ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.0-6ubuntu0.22.04.1

Affected versions

1.*

1.2.0-6build1
1.2.0-6build2
1.2.0-6build3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libtommath-dev",
            "binary_version": "1.2.0-6ubuntu0.22.04.1"
        },
        {
            "binary_name": "libtommath1",
            "binary_version": "1.2.0-6ubuntu0.22.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2023-36328"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}