### [CVE-2024-9399](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-9399)
![](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%3C%20128.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%20131%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Specially%20crafted%20WebTransport%20requests%20could%20lead%20to%20denial%20of%20service&color=brighgreen)

### Description

A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1907726

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