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Servers and applications

CVE-2021-41817

Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.

Severity
High 7.5
Published
1 Jan 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.6.9, 2.7.5, 3.0.3
Sources
NVD

Affected software

SoftwareAffected versions
RubyServers and applications · cpe:a:ruby-lang:ruby
  • From 2.6.0 before 2.6.9
  • From 2.7.0 before 2.7.5
  • From 3.0.0 before 3.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-41817
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41817