### [CVE-2016-5270](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5270)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.

### POC

#### Reference
- https://www.mozilla.org/security/advisories/mfsa2016-88/

#### Github
- https://github.com/mozilla/foundation-security-advisories