### [CVE-2021-40145](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40145)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.

### POC

#### Reference
- https://github.com/libgd/libgd/issues/700
- https://github.com/libgd/libgd/pull/713

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/n0-traces/cve_monitor