cve/2021/CVE-2021-39525.md

### [CVE-2021-39525](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39525)
![](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

An issue was discovered in libredwg through v0.10.1.3751. bit_read_fixed() in bits.c has a heap-based buffer overflow.

### POC

#### Reference
- https://github.com/LibreDWG/libredwg/issues/261
- https://github.com/LibreDWG/libredwg/issues/261

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