CVE-2021-27186
7.5
HIGH
CVSS 3.1
EPSS 0.41%
Description
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.
How to fix CVE-2021-27186
To remediate CVE-2021-27186, upgrade the affected package to a fixed version below.
- Bitnami/fluent-bit—upgrade to 1.6.11 or later
Is CVE-2021-27186 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.6.10, < 1.6.11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |