Inefficient Regular Expression Complexity Affecting ruby2.7 package, versions <2.7.4-1+deb11u1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.33% (56th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Inefficient Regular Expression Complexity vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-DEBIAN11-RUBY27-1933827
  • published1 Dec 2021
  • disclosed1 Jan 2022

Introduced: 1 Dec 2021

CVE-2021-41817  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Debian:11 ruby2.7 to version 2.7.4-1+deb11u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.7 package and not the ruby2.7 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1