DEBIAN-CVE-2020-26247

Source
https://security-tracker.debian.org/tracker/CVE-2020-26247
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-26247.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2020-26247
Upstream
Published
2020-12-30T19:15:12.920Z
Modified
2025-11-14T04:01:13.317578Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri before version 1.11.0.rc4 there is an XXE vulnerability. XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the network, potentially enabling XXE or SSRF attacks. This behavior is counter to the security policy followed by Nokogiri maintainers, which is to treat all input as untrusted by default whenever possible. This is fixed in Nokogiri version 1.11.0.rc4.

References

Affected packages

Debian:11 / ruby-nokogiri

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.11.1+dfsg-1

Ecosystem specific

{
    "urgency": "low"
}

Debian:12 / ruby-nokogiri

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.11.1+dfsg-1

Ecosystem specific

{
    "urgency": "low"
}

Debian:13 / ruby-nokogiri

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.11.1+dfsg-1

Ecosystem specific

{
    "urgency": "low"
}

Debian:14 / ruby-nokogiri

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.11.1+dfsg-1

Ecosystem specific

{
    "urgency": "low"
}