CVE-2025-5646 | Radare2 5.9.9 radiff2 /libr/cons/pal.c r_cons_rainbow_free -T memory corruption (Issue 24235)
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.
This vulnerability was named CVE-2025-5646. It is possible to launch the attack on the local host. Furthermore, there is an exploit available.
The real existence of this vulnerability is still doubted at the moment.
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.