CVE-2024-4323

CRITICAL EPSS 97.9%
Published May 20, 20242y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published May 20, 2024 2y ago
Last Modified Jun 17, 2026 2w ago

Description

A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
97.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-122
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
treasuredatafluent_bit*≥2.0.7  –  <2.2.3
treasuredatafluent_bit*≥3.0.0  –  <3.0.4

References 3

  • github.com https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04
    Patch
  • tenable.com https://tenable.com/security/research/tra-2024-17
    PatchThird Party Advisory
  • vicarius.io https://www.vicarius.io/vsociety/posts/linguistic-lumberjack-memory-corruption-in-fluent-bit-cve-2024-4323
    ExploitThird Party Advisory

Remediation

  • github.com https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04
    Patch
  • tenable.com https://tenable.com/security/research/tra-2024-17
    PatchThird Party Advisory