CVE-2025-5644 – Radare2 Use After Free Vulnerability in r_cons_flush Function

The following table lists the changes that have been made to the
CVE-2025-5644 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jun. 05, 2025

    Action Type Old Value New Value
    Added Tag disputed
    Added Description A vulnerability, which was classified as problematic, has been found in Radare2 5.9.9. Affected by this issue is the function r_cons_flush in the library /libr/cons/cons.c of the component radiff2. The manipulation of the argument -T leads to use after free. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitation is known 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 name of the patch is 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.
    Added CVSS V4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:H/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-416
    Added Reference https://drive.google.com/file/d/1VtiMMp7ECun3sq3AwlqQrU9xEPA45eOz/view?usp=sharing
    Added Reference https://github.com/radareorg/radare2/commit/5705d99cc1f23f36f9a84aab26d1724010b97798
    Added Reference https://github.com/radareorg/radare2/issues/24233
    Added Reference https://github.com/radareorg/radare2/issues/24233#issuecomment-2918847833
    Added Reference https://vuldb.com/?ctiid.311132
    Added Reference https://vuldb.com/?id.311132
    Added Reference https://vuldb.com/?submit.586921
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