### [CVE-2019-17178](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17178)
![](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)
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### Description

HuffmanTree_makeFromFrequencies in lodepng.c in LodePNG through 2019-09-28, as used in WinPR in FreeRDP and other products, has a memory leak because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.

### POC

#### Reference
- https://github.com/FreeRDP/FreeRDP/issues/5645
- https://github.com/FreeRDP/FreeRDP/issues/5645

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