CVE-2021-36088

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p83

Published

Jul 1, 2021 (Jul 1, 2021)

Modified

Jun 17, 2026

Description

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).

Vendors: treasuredata
Products: fluent bit
Weakness: CWE-415
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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