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CVE-2025-5646

CVE-2025-5646 · Radare2 radiff2 pal.c r_cons_rainbow_free memory corruption

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

A vulnerability has been found in Radare2 5.9.9 and classified as problematic. This vulnerability affects the function r_cons_rainbow_free in the library /libr/cons/pal.c of the component radiff2. The manipulation of the argument -T leads to memory corruption. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The patch is identified as 5705d99cc1f23f36f9a84aab26d1724010b97798. It is recommended to apply a patch to fix this issue. The documentation explains that the parameter -T is experimental and "crashy". Further analysis has shown "the race is not a real problem unless you use asan". A new warning has been added.

CVSS 2.0 · Low · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • radare2

    Versions
    • 5.9.9: Affected

    No fix published

  • 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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