cve/2023/CVE-2023-4582.md

### [CVE-2023-4582](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4582)
![](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%20115.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%20117%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Buffer%20Overflow%20in%20WebGL%20glGetProgramiv&color=brighgreen)

### Description

Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occured when allocating too much private shader memory on mac OS. *This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1773874

#### Github
- https://github.com/dlehgus1023/dlehgus1023