USN-5198-1

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Source
https://ubuntu.com/security/notices/USN-5198-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5198-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5198-1
Upstream
Related
Published
2021-12-16T19:32:27.605623Z
Modified
2025-10-13T04:35:42Z
Summary
htmldoc vulnerability
Details

It was discovered that HTMLDOC improperly handled malformed URIs from an input html file. An attacker could use this to cause a denial of service.

References

Affected packages

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 

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

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2021-23180"
        }
    ]
}