{"action":"Upgrade fluentd to 1.14.2 or later.","affected":[{"fixed":"1.14.2","introduced":"0.14.14"}],"component":"fluentd","cve_ids":["CVE-2021-41186"],"ecosystem":"RubyGems","epss":0.02215,"exploited":false,"fixed_versions":["1.14.2"],"ghsa_id":"GHSA-hwhf-64mh-r662","id":"tcs_01M5KEKQ1HZTAVYF99R63A5VQQ","modified_at":"2026-07-08T06:28:53.596219161Z","published_at":"2021-11-01T19:16:31Z","references":["https://osv.dev/vulnerability/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"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-hwhf-64mh-r662","url":"https://osv.dev/vulnerability/GHSA-hwhf-64mh-r662"}],"summary":"ReDoS vulnerability in parser_apache2"}