Radare2 post-release reuse vulnerability

Radare2 is a set of libraries and tools for working with binaries. a post-release reuse vulnerability exists in versions of Radare2 prior to 5.6.6, which stems from a confusion in the op_is_set_bp directive responsible for freeing memory in radare2 5.6.6. An attacker could exploit this vulnerability to cause program crashes, arbitrary code execution, etc.