{"url":"http://public2.vulnerablecode.io/api/packages/162997?format=json","purl":"pkg:gem/fluentd@0.10.35","type":"gem","namespace":"","name":"fluentd","version":"0.10.35","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.15.3","latest_non_vulnerable_version":"1.15.3","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/41646?format=json","vulnerability_id":"VCID-ar2a-d6fd-q3e5","summary":"Uncontrolled Resource Consumption\nFluentd collects events from various data sources and writes them to files to help unify logging infrastructure. The `parser_apache2` plugin in Fluentd suffers from a regular expression denial of service (ReDoS) vulnerability. A broken apache log with a certain pattern of string can spend too much time in a regular expression, resulting in the potential for a DoS attack. There are two workarounds available. Either don't use `parser_apache2` for parsing logs (which cannot guarantee generated by Apache), or put patched version of `parser_apache2.rb` into `/etc/fluent/plugin` directory (or any other directories specified by the environment variable `FLUENT_PLUGIN` or `--plugin` option of fluentd).","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41186.json","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41186.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41186","reference_id":"","reference_type":"","scores":[{"value":"0.00486","scoring_system":"epss","scoring_elements":"0.65711","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41186"},{"reference_url":"https://github.com/fluent/fluentd","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/fluent/fluentd"},{"reference_url":"https://github.com/fluent/fluentd/blob/master/CHANGELOG.md#v1142","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/fluent/fluentd/blob/master/CHANGELOG.md#v1142"},{"reference_url":"https://github.com/fluent/fluentd/commit/5482a3d049dab351de0be68f4b4bc562319d8511","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/fluent/fluentd/commit/5482a3d049dab351de0be68f4b4bc562319d8511"},{"reference_url":"https://github.com/github/securitylab-vulnerabilities/blob/52dc4a2a828c6dc24231967c2937ad92038184a9/vendor_reports/GHSL-2021-102-fluent-fluentd.md","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/github/securitylab-vulnerabilities/blob/52dc4a2a828c6dc24231967c2937ad92038184a9/vendor_reports/GHSL-2021-102-fluent-fluentd.md"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fluentd/CVE-2021-41186.yml","reference_id":"","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fluentd/CVE-2021-41186.yml"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2019184","reference_id":"2019184","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2019184"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41186","reference_id":"CVE-2021-41186","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41186"},{"reference_url":"https://github.com/fluent/fluentd/security/advisories/GHSA-hwhf-64mh-r662","reference_id":"GHSA-hwhf-64mh-r662","reference_type":"","scores":[{"value":"5.9","scoring_system":"cvssv3","scoring_elements":""},{"value":"5.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/fluent/fluentd/security/advisories/GHSA-hwhf-64mh-r662"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/59430?format=json","purl":"pkg:gem/fluentd@1.14.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-ar2a-d6fd-q3e5"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/fluentd@1.14.2"}],"aliases":["CVE-2021-41186","GHSA-hwhf-64mh-r662"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-ar2a-d6fd-q3e5"}],"fixing_vulnerabilities":[],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/fluentd@0.10.35"}