cve/2022/CVE-2022-3266.md

### [CVE-2022-3266](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3266)
![](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%20102.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20105%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Out%20of%20bounds%20read%20when%20decoding%20H264&color=brighgreen)

### Description

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/h26forge/h26forge