CVE-2020-9921

Name of the Vulnerable Software and Affected Versions macOS versions prior to 10.15.6

Description A memory corruption issue was addressed with improved memory handling. This issue allows a malicious application to execute arbitrary code with system privileges. The issue is related to Time-Of-Check Time-Of-Use Privilege Escalation Vulnerabilities in various Apple macOS processes, including process token TexSubImage2D, process token TexPBOUpload, process token CopyPixelsSrcFBO, and process token BlitFramebuffer.

Recommendations For macOS versions prior to 10.15.6, update to macOS Catalina 10.15.6 to resolve the issue. As a temporary workaround, consider restricting the execution of malicious applications to minimize the risk of exploitation.