CVE-2025-29478

Name: CVE-2025-29478
Creator: NVD / NIST
Published: 2025-04-07T20:15:20.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2025-29478 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue in fluent-bit v.3.7.2 allows a local attacker to cause a denial of service via the cfl_list_size in cfl_list.h:165.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

An issue in fluent-bit v.3.7.2 allows a local attacker to cause a denial of service via the cfl_list_size in cfl_list.h:165.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.17%

6.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Treasuredata	Fluent Bit	All versions

References

https://github.com/lmarch2/poc/blob/main/fluent-bit/fluent-bit.mdExploit, Third Party Advisory

Timeline

Published: Apr 7, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-29478?

An issue in fluent-bit v.3.7.2 allows a local attacker to cause a denial of service via the cfl_list_size in cfl_list.h:165.

How severe is CVE-2025-29478?

CVE-2025-29478 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2025-29478?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-29478?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST