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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".

PUBLISHED Reserved 2026-03-14 | Published 2026-03-15 | Updated 2026-03-17 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Resource Consumption

Denial of Service

Timeline

2026-03-14:Advisory disclosed
2026-03-14:VulDB entry created
2026-03-14:VulDB entry last update

Credits

breakingbad (VulDB User) reporter

References

vuldb.com/?id.351081 (VDB-351081 | Radare2 Mach-O File mach0.c walk_exports_trie resource consumption) vdb-entry technical-description

vuldb.com/?ctiid.351081 (VDB-351081 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.769799 (Submit #769799 | radareorg Radare2 5.9.9 Denial of Service) third-party-advisory

github.com/radareorg/radare2/issues/25482 issue-tracking

github.com/user-attachments/files/25620145/gen_macho_poc.py exploit

github.com/...ommit/4371ae84c99c46b48cb21badbbef06b30757aba0 patch

github.com/radareorg/radare2/milestone/94 patch

cve.org (CVE-2026-4174)

nvd.nist.gov (CVE-2026-4174)

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