CVE-2021-41186

RubyGems/fluentd CVE-2021-41186: medium 5.9, EPSS 2.21%

ReDoS vulnerability in parser_apache2

Action: Upgrade fluentd to 1.14.2 or later.

bundle update fluentd

Affected

Fixed versions

Sources

• osv: GHSA-hwhf-64mh-r662
• https://github.com/fluent/fluentd/security/advisories/GHSA-hwhf-64mh-r662
• https://nvd.nist.gov/vuln/detail/CVE-2021-41186
• https://github.com/fluent/fluentd/commit/5482a3d049dab351de0be68f4b4bc562319d8511
• https://github.com/fluent/fluentd
• https://github.com/fluent/fluentd/blob/master/CHANGELOG.md#v1142
• https://github.com/github/securitylab-vulnerabilities/blob/52dc4a2a828c6dc24231967c2937ad92038184a9/vendor_reports/GHSL-2021-102-fluent-fluentd.md
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fluentd/CVE-2021-41186.yml

CVE-2021-41186 · published 2021-11-01T19:16:31Z · modified 2026-07-08T06:28:53.596219161Z · JSON