CRITICAL 9.8 Microsoft PoC

CVE-2024-4323

Fluent Bit Memory Corruption Vulnerability

Microsoft Security Update 2024-May: Fluent Bit Memory Corruption Vulnerability

Affected Products

cbl2 fluent-bit 2.2.3-1 on CBL Mariner 2.0
azl3 fluent-bit 3.0.6-1 on Azure Linux 3.0
azl3 fluent-bit 3.0.3-1 on Azure Linux 3.0
cbl2 fluent-bit 2.2.3-7 on CBL Mariner 2.0

References

Published: 2024-05-14 · Source: Microsoft · Feed updated: 2026-08-04

This critical severity vulnerability with a CVSS score of 9.8 was published on 2024-05-14 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 28.3% (top 2% of all CVEs by exploitation probability). Affected: cbl2 fluent-bit 2.2.3-1 on CBL Mariner 2.0, azl3 fluent-bit 3.0.6-1 on Azure Linux 3.0, azl3 fluent-bit 3.0.3-1 on Azure Linux 3.0 and 1 more.

Risk Timeline

CVE Disclosed2024-05-14 · 811 days ago

Public PoC Exploit AvailableWeaponised proof-of-concept code is publicly accessible

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-4323

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2024-4323

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