What is CVE-2021-36088?

CVE-2021-36088 is a critical-severity vulnerability in Treasuredata Fluent_bit, classified under Double Free. CVSS score: 9.8/10. Published 2021-07-01.

How severe is CVE-2021-36088?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Double Free in Treasuredata Fluent_bit

CVE-2021-36088

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).

Vulnerability class: Double Free

EPSS: 0.024 (81.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Treasuredata Fluent_bit
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

References

cve@mitre.org (Exploit, Patch, Third Party Advisory)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Patch, Third Party Advisory)
cve@mitre.org (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36088?: CVE-2021-36088 is a critical-severity vulnerability in Treasuredata Fluent_bit, classified under Double Free. CVSS score: 9.8/10. Published 2021-07-01.
How severe is CVE-2021-36088?: Critical severity. CVSS v3 base score is 9.8 out of 10.