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CVE-2026-4174

CVE-2026-4174 · Radare2 Mach-O File mach0.c walk_exports_trie resource consumption

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 4.8 · Medium · EPSS 0.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • radare2

    Versions
    • 5.9.9: Affected
    • 6.1.2: Not affected

    Update to 6.1.2

  • radare2 Ubuntu:16.04:LTS

    Versions
    • 0.9.6-3.1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • radare2 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.6.0+dfsg-1
    • 2.0.0+dfsg-1
    • 2.1.0+dfsg-1
    • 2.3.0+dfsg-1
    • 2.3.0+dfsg-2
    • 2.3.0+dfsg-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • radare2 Ubuntu:Pro:20.04:LTS

    Versions
    • 3.2.1+dfsg-5build1
    • 4.0.0+dfsg-1
    • 4.2.1+dfsg-1
    • 4.2.1+dfsg-2
    • 4.2.1+dfsg-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • radare2 Ubuntu:Pro:24.04:LTS

    Versions
    • 5.5.0+dfsg-1ubuntu1
    • 5.5.0+dfsg-1.1ubuntu2
    • 5.5.0+dfsg-1.1ubuntu3
    • 5.5.0+dfsg-1.1ubuntu3+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • radare2 Ubuntu:25.10

    Versions
    • 5.9.8+dfsg-2
    • 5.9.8+dfsg-2ubuntu0.25.10.1
    • 5.9.8+dfsg-2ubuntu0.25.10.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • radare2 Ubuntu:26.10

    Versions
    • 6.0.7+ds-1
    • 6.1.6+ds-2
    • 6.1.6+ds-3
    • 6.1.8+ds-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • radare2 Ubuntu:26.04:LTS

    Versions
    • 5.9.8+dfsg-2
    • 6.0.4+dfsg-1
    • 6.0.7+ds-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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