cve/2019/CVE-2019-19590.md

### [CVE-2019-19590](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19590)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In radare2 through 4.0, there is an integer overflow for the variable new_token_size in the function r_asm_massemble at libr/asm/asm.c. This integer overflow will result in a Use-After-Free for the buffer tokens, which can be filled with arbitrary malicious data after the free. This allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted input.

### POC

#### Reference
- https://github.com/radareorg/radare2/issues/15543

#### Github
No PoCs found on GitHub currently.