USN-4819-1

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Source
https://ubuntu.com/security/notices/USN-4819-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4819-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4819-1
Upstream
Related
Published
2021-03-15T21:56:16.285741Z
Modified
2025-10-13T04:35:24Z
Summary
leptonlib vulnerabilities
Details

It was discovered that Leptonica incorrectly handled path names. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-18196)

It was discovered that Leptonica incorrectly handled certain input arguments. An attacker could possibly use this issue to execute arbitrary commands. (CVE-2018-3836)

It was discovered that Leptonica incorrectly handled input arguments. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. (CVE-2018-7186)

References

Affected packages

Ubuntu:Pro:14.04:LTS / leptonlib

Package

Name
leptonlib
Purl
pkg:deb/ubuntu/leptonlib@1.70.1-1ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.70.1-1ubuntu0.1~esm1

Affected versions

1.*

1.69-4ubuntu1
1.69-4ubuntu2
1.69-4ubuntu3
1.69-4ubuntu4
1.70.1-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.70.1-1ubuntu0.1~esm1",
            "binary_name": "leptonica-progs"
        },
        {
            "binary_version": "1.70.1-1ubuntu0.1~esm1",
            "binary_name": "liblept4"
        },
        {
            "binary_version": "1.70.1-1ubuntu0.1~esm1",
            "binary_name": "libleptonica-dev"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-3836",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-7186",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:Pro:16.04:LTS / leptonlib

Package

Name
leptonlib
Purl
pkg:deb/ubuntu/leptonlib@1.73-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.73-1ubuntu0.1~esm1

Affected versions

1.*

1.72-3
1.72-3build1
1.73-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.73-1ubuntu0.1~esm1",
            "binary_name": "leptonica-progs"
        },
        {
            "binary_version": "1.73-1ubuntu0.1~esm1",
            "binary_name": "liblept5"
        },
        {
            "binary_version": "1.73-1ubuntu0.1~esm1",
            "binary_name": "libleptonica-dev"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2017-18196",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-3836",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2018-7186",
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}