CVE-2025-5644

Radare2 radiff2 cons.c r_cons_flush use after free

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Published Jun 5, 2025 CVSS 4.0 · 2 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-16970 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00024}

 epss

{'score': 0.00025}
Type Values Removed Values Added
First Time appeared Radare
Radare radare2
CPEs cpe:2.3:a:radare:radare2:5.9.9:*:*:*:*:*:*:*
Vendors & Products Radare
Radare radare2
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}
Type Values Removed Values 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.
Title Radare2 radiff2 cons.c r_cons_flush use after free
Weaknesses CWE-119
CWE-416
References
Metrics cvssV2_0

{'score': 1, 'vector': 'AV:L/AC:H/Au:S/C:N/I:N/A:P'}

cvssV3_0

{'score': 2.5, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV3_1

{'score': 2.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}
Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 5, 2025, 6:25 PM
Reserved
Jun 4, 2025, 12:14 PM

View source JSON

Updated
Jun 5, 2025, 6:24 PM

JSON

Status
Analyzed
Published
Jun 5, 2025, 7:15 AM
Modified
Jun 17, 2026, 9:48 AM

View source JSON

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No data.