### [CVE-2024-21640](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-21640)
![](https://img.shields.io/static/v1?label=Product&message=cef&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3C%20commit%201f55d2e%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-125%3A%20Out-of-bounds%20Read&color=brighgreen)

### Description

Chromium Embedded Framework (CEF) is a simple framework for embedding Chromium-based browsers in other applications.`CefVideoConsumerOSR::OnFrameCaptured` does not check `pixel_format` properly, which leads to out-of-bounds read out of the sandbox. This vulnerability was patched in commit 1f55d2e.

### POC

#### Reference
- https://github.com/chromiumembedded/cef/security/advisories/GHSA-3h3j-38xq-v7hh

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