cve/2023/CVE-2023-25751.md

### [CVE-2023-25751](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25751)
![](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%20102.9%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20111%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Incorrect%20code%20generation%20during%20JIT%20compilation&color=brighgreen)

### Description

Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/googleprojectzero/fuzzilli
- https://github.com/zhangjiahui-buaa/MasterThesis