CVE-2026-4174
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".
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-4174
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | sid | affected | |
References
- https://github.com/ToddAWalter/radare2/commit/4371ae84c99c46b48cb21badbbef06b30757aba0
- https://github.com/radareorg/radare2/issues/25482
- https://github.com/radareorg/radare2/milestone/94
- https://github.com/user-attachments/files/25620145/gen_macho_poc.py
- https://vuldb.com/?ctiid.351081
- https://vuldb.com/?id.351081
- https://vuldb.com/?submit.769799
- https://security-tracker.debian.org/tracker/CVE-2026-4174
CWEs
CWE-400 CWE-404
Verify integrity in audit chain (admin only). AS-IS.