### [CVE-2021-1790](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1790)
![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2011.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Processing%20a%20maliciously%20crafted%20font%20may%20lead%20to%20arbitrary%20code%20execution&color=brighgreen)

### Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted font may lead to arbitrary code execution.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/houjingyi233/macOS-iOS-system-security