CVE-2025-29478 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Treasuredata	Fluent Bit	-

Related Weaknesses (CWE)

CWE-400

References

https://github.com/lmarch2/poc/blob/main/fluent-bit/fluent-bit.mdExploitThird Party Advisory

FAQ

What is CVE-2025-29478?

CVE-2025-29478 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-29478?

Check the references section above for vendor advisories and patch information. Affected products include: Treasuredata Fluent Bit.