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CVE-2021-46879

Estado: ModificadaAlta (7.8)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Treasuredata — Fluent BIT

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-46879",
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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              "automatable": "no"
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          "version": "2.0.3",
          "timestamp": "2025-02-11T19:55:04.765658Z"
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    }
  ],
  "lastModified": "2026-06-17T04:15:43.350",
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