{"id":"BIT-fluent-bit-2021-36088","details":"Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do).","aliases":["CVE-2021-36088"],"modified":"2026-09-08T08:47:32.549227694Z","published":"2024-03-06T10:52:12.289Z","database_specific":{"cpes":["cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*"],"severity":"Critical"},"references":[{"type":"ADVISORY","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750"},{"type":"ADVISORY","url":"https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54"},{"type":"ADVISORY","url":"https://github.com/fluent/fluent-bit/pull/3453"},{"type":"ADVISORY","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36088"}],"affected":[{"package":{"name":"fluent-bit","ecosystem":"Bitnami","purl":"pkg:bitnami/fluent-bit"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.7.0"},{"fixed":"1.7.5"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/fluent-bit/BIT-fluent-bit-2021-36088.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}