DEBIAN-CVE-2021-28834

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Source
https://security-tracker.debian.org/tracker/CVE-2021-28834
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-28834.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-28834
Upstream
Published
2021-03-19T07:15:13.147Z
Modified
2025-11-14T03:08:12.399407Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.

References

Affected packages

Debian:11 / ruby-kramdown

Package

Name
ruby-kramdown
Purl
pkg:deb/debian/ruby-kramdown?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-28834.json"

Debian:12 / ruby-kramdown

Package

Name
ruby-kramdown
Purl
pkg:deb/debian/ruby-kramdown?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-28834.json"

Debian:13 / ruby-kramdown

Package

Name
ruby-kramdown
Purl
pkg:deb/debian/ruby-kramdown?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-28834.json"

Debian:14 / ruby-kramdown

Package

Name
ruby-kramdown
Purl
pkg:deb/debian/ruby-kramdown?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-28834.json"