cve/2019/CVE-2019-20334.md

### [CVE-2019-20334](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20334)
![](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 Netwide Assembler (NASM) 2.14.02, stack consumption occurs in expr# functions in asm/eval.c. This potentially affects the relationships among expr0, expr1, expr2, expr3, expr4, expr5, and expr6 (and stdscan in asm/stdscan.c). This is similar to CVE-2019-6290 and CVE-2019-6291.

### POC

#### Reference
- https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4
- https://bugzilla.nasm.us/show_bug.cgi?id=3392638

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