cvedb.io
CVE-2021-46879
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2023-04-11T18:15:58.387 · Last modified 2026-06-17T04:15:43.350

Summary

An issue was discovered in Treasure Data Fluent Bit 1.7.1, a wrong variable is used to get the msgpack data resulting in a heap overflow in flb_msgpack_gelf_value_ext. An attacker can craft a malicious file and tick the victim to open the file with the software, triggering a heap overflow and execute arbitrary code on the target system.

Affected products

treasuredata — fluent_bit

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.