### [CVE-2017-5464](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5464)
![](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%2045.9%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2052.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2053%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Memory%20corruption%20with%20accessibility%20and%20DOM%20manipulation&color=brighgreen)

### Description

During DOM manipulations of the accessibility tree through script, the DOM tree can become out of sync with the accessibility tree, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

### POC

#### Reference
- https://www.mozilla.org/security/advisories/mfsa2017-12/

#### Github
- https://github.com/ARPSyndicate/cvemon