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
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.