UpHeron
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Servers and applications

CVE-2021-33621

The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.

Severity
High 8.8
Published
18 Nov 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.7.7, 3.0.5, 3.1.3
Sources
NVD

Affected software

SoftwareAffected versions
RubyServers and applications · cpe:a:ruby-lang:ruby
  • From 2.7.0 before 2.7.7
  • From 3.0.0 before 3.0.5
  • From 3.1.0 before 3.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-33621
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-33621