CVE-2026-4174— Radare2 Mach-O File mach0.c walk_exports_trie resource consumption
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I. Basic Information for CVE-2026-4174
Vulnerability Information
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Vulnerability Title
Radare2 Mach-O File mach0.c walk_exports_trie resource consumption
Source: NVD (National Vulnerability Database)
Vulnerability 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".
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Radare2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Radare2是Radare开源的一个面向 Unix 极客的 Libre 反向框架。 Radare2 5.9.9版本存在安全漏洞，该漏洞源于对文件libr/bin/format/mach0/mach0.c中函数walk_exports_trie的错误操作，可能导致资源消耗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Radare2 | 5.9.9 | - |
II. Public POCs for CVE-2026-4174
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|---|
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- Submit #769799: radareorg Radare2 5.9.9 Denial of Servicethird-party-advisory
- CVE-2026-4174 Radare2 Mach-O File mach0.c walk_exports_trie resource consumption (Issue 25482) [Disputed]vdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-4174
Same Patch Batch · n/a · 2026-03-15 · 4 CVEs total
| CVE-2026-4185 | 6.3 MEDIUM | GPAC MP4Box swf_parse.c swf_def_bits_jpeg stack-based overflow |
| CVE-2026-4189 | 4.7 MEDIUM | phpipam Section edit-result.php sql injection |
| CVE-2026-4186 | 3.5 LOW | UEditor JSONP Callback controller.php cross site scripting |
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V. Comments for CVE-2026-4174
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