### [CVE-2018-20349](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20349)
![](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

The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.

### POC

#### Reference
- https://github.com/igraph/igraph/issues/1141
- https://github.com/igraph/igraph/issues/1141

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