CVE-2021-27186

HIGH 7.5CVE-2021-27186 · Published 10/02/2021 · updated 17/06/2026

In short

CVE-2021-27186 is a HIGH (CVSS 7.5) vulnerability affecting fluent bit (treasuredata).
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 80.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
fluent bit treasuredata	`= 1.6.10`	No fix yet

Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c.

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Package

Affected versions

Patched versions

= 1.6.10

No fix yet

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