CVEs-PoC/2020/CVE-2020-6795.md

### [CVE-2020-6795](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6795)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2068.5%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Crash%20processing%20S%2FMIME%20messages%20with%20multiple%20signatures&color=brighgreen)

### Description

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.

### POC

#### Reference
- https://usn.ubuntu.com/4328-1/

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