CVE-2021-41186: ReDoS vulnerability in parser_apache2

CVE-2021-41186 · Severity: low · CVSS 3.1 · Published 2021-11-01

ReDoS vulnerability in parser_apache2

Technologies: fluentd (RubyGems). Vendors: RubyGems.

Quick answers

Is CVE-2021-41186 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-41186 being exploited in the wild.
How severe is CVE-2021-41186?
Low severity, with a CVSS score of 3.1, published 1 November 2021.
Which products and versions are affected?
fluentd (RubyGems) ECOSYSTEM:introduced=0.14.14,fixed=1.14.2.
Is there a fix for CVE-2021-41186?
Yes. fluentd (RubyGems): upgrade to 1.14.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-41186?
Check whether you run fluentd (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • fluentd (RubyGems): upgrade to 1.14.2 or later
    bundle update fluentd

Affected products

  • fluentd (RubyGems) ECOSYSTEM:introduced=0.14.14,fixed=1.14.2

Identifiers

  • CVE-2021-41186
  • GHSA-hwhf-64mh-r662

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