### [CVE-2017-7752](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7752)
![](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=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Use-after-free%20with%20IME%20input&color=brightgreen)

### Description

A use-after-free vulnerability during specific user interactions with the input method editor (IME) in some languages due to how events are handled. This results in a potentially exploitable crash but would require specific user interaction to trigger. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

### POC

#### Reference
- https://www.mozilla.org/security/advisories/mfsa2017-15/

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