CVEs-PoC/2021/CVE-2021-37973.md

### [CVE-2021-37973](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37973)
![](https://img.shields.io/static/v1?label=Product&message=Chrome&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2094.0.4606.61%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Use%20after%20free&color=brighgreen)

### Description

Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Advisory-Newsletter/Blackmatter
- https://github.com/Ostorlab/KEV
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors
- https://github.com/fkie-cad/nvd-json-data-feeds