UBUNTU-CVE-2016-9909

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Source
https://ubuntu.com/security/CVE-2016-9909
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9909.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-9909
Upstream
Published
2017-02-22T16:59:00Z
Modified
2025-10-24T04:45:59Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) character in attribute values.

References

Affected packages

Ubuntu:16.04:LTS / html5lib

Package

Name
html5lib
Purl
pkg:deb/ubuntu/html5lib@0.999-4?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*

0.999-3build1
0.999-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-html5lib",
            "binary_version": "0.999-4"
        },
        {
            "binary_name": "python3-html5lib",
            "binary_version": "0.999-4"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9909.json"