USN-4800-1

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Source
https://ubuntu.com/security/notices/USN-4800-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4800-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4800-1
Upstream
Related
Published
2021-03-15T21:24:24.708521Z
Modified
2025-10-13T04:35:23Z
Summary
lynx vulnerabilities
Details

It was discovered that Lynx incorrectly handled certain URLs. A remote attacker could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04 ESM. (CVE-2016-9179)

It was discovered that Lynx incorrectly handled certain HTML files. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-1000211)

Thorsten Glaser discovered that Lynx mishandles the userinfo subcomponents of a URI. An attacker monitoring the network could discover cleartext credentials because they may appear in SNI data. (CVE-2021-38165)

References

Affected packages

Ubuntu:Pro:16.04:LTS / lynx

Package

Name
lynx
Purl
pkg:deb/ubuntu/lynx@2.8.9dev8-4ubuntu1+esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.9dev8-4ubuntu1+esm2

Affected versions

2.*

2.8.9dev8-4ubuntu1
2.8.9dev8-4ubuntu1+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "lynx",
            "binary_version": "2.8.9dev8-4ubuntu1+esm2"
        },
        {
            "binary_name": "lynx-common",
            "binary_version": "2.8.9dev8-4ubuntu1+esm2"
        },
        {
            "binary_name": "lynx-cur",
            "binary_version": "2.8.9dev8-4ubuntu1+esm2"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-38165",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / lynx

Package

Name
lynx
Purl
pkg:deb/ubuntu/lynx@2.8.9dev16-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.9dev16-3ubuntu0.1~esm1

Affected versions

2.*

2.8.9dev16-1
2.8.9dev16-2
2.8.9dev16-3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "lynx",
            "binary_version": "2.8.9dev16-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "lynx-common",
            "binary_version": "2.8.9dev16-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-38165",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:20.04:LTS / lynx

Package

Name
lynx
Purl
pkg:deb/ubuntu/lynx@2.9.0dev.5-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.0dev.5-1ubuntu0.1~esm1

Affected versions

2.*

2.9.0dev.4-1
2.9.0dev.5-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "lynx",
            "binary_version": "2.9.0dev.5-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "lynx-common",
            "binary_version": "2.9.0dev.5-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-38165",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}