CVEs-PoC/2020/CVE-2020-21841.md

### [CVE-2020-21841](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21841)
![](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

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_B ../../src/bits.c:135.

### POC

#### Reference
- https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493775

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