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Inefficient Regular Expression Complexity Affecting ruby2.3 package, versions <2.3.3-1+deb9u11

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.38% (73rd percentile)
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NVD
7.5 high
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SUSE
5.3 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN9-RUBY23-1933855
  • published 1 Dec 2021
  • disclosed 1 Jan 2022
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Introduced: 1 Dec 2021

CVE-2021-41817 Open this link in a new tab
CWE-1333 Open this link in a new tab

How to fix?

Upgrade Debian:9 ruby2.3 to version 2.3.3-1+deb9u11 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.3 package and not the ruby2.3 package as distributed by Debian. See How to fix? for Debian:9 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.