CVE-2024-4323

Q: How do I fix CVE-2024-4323?

Upgrade fluent bit to 3.0.4 or later.

Q: Is CVE-2024-4323 being actively exploited?

Not that we know of. CVE-2024-4323 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 28.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.

Q: How severe is CVE-2024-4323?

CVE-2024-4323 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2024-4323 affect?

Published advisories record a fix for fluent bit (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 98th pctl

9.8

CVSS v3

NVD

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.

CWE-122Heap-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

fluent bitNVD

Affected:>= 3.0.0, < 3.0.4Fixed in:3.0.4CVE-2024-4323derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

28.31%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Patch2

Exploit1

vicarius.io

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2024-26256	High	7.8	88%	-	Fix
CVE-2020-25687	Medium	5.9	87%	-	Fix
CVE-2009-3459	High	8.8	87%	KEV	Fix
CVE-2021-21017	High	8.8	86%	KEV	-
CVE-2020-25683	Medium	5.9	86%	-	Fix

Common questions

How do I fix CVE-2024-4323?

Upgrade fluent bit to 3.0.4 or later.

Is CVE-2024-4323 being actively exploited?

Not that we know of. CVE-2024-4323 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 28.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.

How severe is CVE-2024-4323?

CVE-2024-4323 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-4323 affect?

Published advisories record a fix for fluent bit (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2024-4323

Markdown

[![CVE-2024-4323](https://tridentstack.com/cve/badge/CVE-2024-4323.svg)](https://tridentstack.com/cve/CVE-2024-4323)

HTML

<a href="https://tridentstack.com/cve/CVE-2024-4323"><img src="https://tridentstack.com/cve/badge/CVE-2024-4323.svg" alt="CVE-2024-4323"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-05.