CVE-2025-5643

Publication date 5 June 2025

Last updated 5 June 2025

Ubuntu priority

Cvss 3 Severity Score

A vulnerability classified as problematic was found in Radare2 5.9.9. Affected by this vulnerability is the function cons_stack_load in the library /libr/cons/cons.c of the component radiff2. The manipulation of the argument -T leads to memory corruption. An attack has to be approached locally. 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 named 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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
radare2	25.04 plucky	Needs evaluation
	24.10 oracular	Needs evaluation
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation

Notes

rodrigo-zaiden

there is no real fix for this. commit 5705d99cc1f23f36f9a84aab26d1724010b97798 is adding a warning log about the risk of using '-T'

Severity score breakdown

Parameter	Value
Base score	2.5 · Low
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L