CVE-2021-27186

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
treasuredatafluent_bit
1.6.10
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/fluent/fluent-bit/issues/3044
https://github.com/fluent/fluent-bit/pull/3045
https://github.com/fluent/fluent-bit/pull/3047
https://github.com/fluent/fluent-bit/issues/3044
https://github.com/fluent/fluent-bit/pull/3045
https://github.com/fluent/fluent-bit/pull/3047