Low severity · published Mar 15, 2026
CVE-2026-4174
Radare2 Mach-O File mach0.c walk_exports_trie resource consumption
3.3
CVSS
0.1%
EPSS
No
On KEV
Description
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".
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Radare2 ·
5.9.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4174
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4174
github.com
https://github.com/ToddAWalter/radare2/commit/4371ae84c99c46b48cb21badbbef06b30757aba0
github.com
https://github.com/radareorg/radare2/issues/25482
github.com
https://github.com/radareorg/radare2/milestone/94
github.com
https://github.com/user-attachments/files/25620145/gen_macho_poc.py
vuldb.com
https://vuldb.com/?ctiid.351081
vuldb.com
https://vuldb.com/?id.351081
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