What is CVE-2026-4174?

CVE-2026-4174 is a low-severity vulnerability in Radare2, classified under Uncontrolled Resource Consumption. CVSS score: 3.3/10. Published 2026-03-16.

How severe is CVE-2026-4174?

Low severity. CVSS v3 base score is 3.3 out of 10.

Resource exhaustion in Radare2

CVE-2026-4174

A vulnerability has been found in Radare2 5.9.9. This issue affects the function walk_exports_trie of the file libr/bin/format/mach0/mach0.c of the component Mach-O File Parser. Such manipulation leads to resource consumption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. Upgrading to version 6.1.2 is capable of addressing this issue. The name of the patch is 4371ae84c99c46b48cb21badbbef06b30757aba0. You should upgrade the affected component. The code maintainer states that, "[he] wont consider this bug a DoS".

Vulnerability class: DoS (Denial of Service)

EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

N/a Radare2 — versions 5.9.9, 6.1.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (exploit)
cna@vuldb.com (patch)
cna@vuldb.com (patch)

Frequently asked questions

What is CVE-2026-4174?: CVE-2026-4174 is a low-severity vulnerability in Radare2, classified under Uncontrolled Resource Consumption. CVSS score: 3.3/10. Published 2026-03-16.
How severe is CVE-2026-4174?: Low severity. CVSS v3 base score is 3.3 out of 10.