### [CVE-2016-5294](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5294)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2045.5%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2050%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Arbitrary%20target%20directory%20for%20result%20files%20of%20update%20process&color=brighgreen)

### Description

The Mozilla Updater can be made to choose an arbitrary target working directory for output files resulting from the update process. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1246972

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