UBUNTU-CVE-2021-23180

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Source
https://ubuntu.com/security/CVE-2021-23180
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-23180.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-23180
Upstream
Downstream
Related
Published
2021-06-03T00:00:00Z
Modified
2025-09-08T16:46:59Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/ubuntu/htmldoc@1.8.27-8ubuntu1+esm4?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.8.27-8ubuntu1
1.8.27-8ubuntu1+esm1
1.8.27-8ubuntu1+esm2
1.8.27-8ubuntu1+esm3
1.8.27-8ubuntu1+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.27-8ubuntu1+esm4",
            "binary_name": "htmldoc"
        },
        {
            "binary_version": "1.8.27-8ubuntu1+esm4",
            "binary_name": "htmldoc-common"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/ubuntu/htmldoc@1.8.27-8ubuntu1.1+esm3?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.8.27-8ubuntu1
1.8.27-8ubuntu1.1
1.8.27-8ubuntu1.1+esm1
1.8.27-8ubuntu1.1+esm2
1.8.27-8ubuntu1.1+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.27-8ubuntu1.1+esm3",
            "binary_name": "htmldoc"
        },
        {
            "binary_version": "1.8.27-8ubuntu1.1+esm3",
            "binary_name": "htmldoc-common"
        }
    ]
}

Ubuntu:20.04:LTS / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/ubuntu/htmldoc@1.9.7-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.7-1ubuntu0.2

Affected versions

1.*

1.9.3-1
1.9.7-1
1.9.7-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.7-1ubuntu0.2",
            "binary_name": "htmldoc"
        },
        {
            "binary_version": "1.9.7-1ubuntu0.2",
            "binary_name": "htmldoc-common"
        }
    ],
    "availability": "No subscription required"
}