### [CVE-2021-30780](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30780) ![](https://img.shields.io/static/v1?label=Product&message=Security%20Update%20-%20Catalina&color=blue) ![](https://img.shields.io/static/v1?label=Product&message=iOS&color=blue) ![](https://img.shields.io/static/v1?label=Product&message=macOS&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20malicious%20application%20may%20be%20able%20to%20gain%20root%20privileges&color=brightgreen) ### Description An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges. ### POC #### Reference No PoCs from references. #### Github - https://github.com/n0-traces/cve_monitor