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Critical flaw found in Fluent Bit cloud services monitoring component

May 23, 2024

Security researchers at Tenable have discovered a potentially critical memory corruption vulnerability in Fluent Bit, a core component in the monitoring infrastructure of many cloud services.

The vulnerability, dubbed Linguistic Lumberjack and tracked as CVE-2024-4323, stems from coding flaws within Fluent Bit’s built-in HTTP server. Left unresolved the vulnerability could lead to denial of service, information disclosure, or (in the most severe but unlikely case) remote code execution attacks.

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