"Adobe has released security updates for Adobe Flash Player for Windows, macOS, Linux and Chrome OS. These updates address a critical vulnerability in Adobe Flash Player. Successful exploitation could lead to arbitrary code execution in the context of the current user."
Tree is clean.
New GLSA request filed.
This issue was resolved and addressed in
GLSA 202003-61 at https://security.gentoo.org/glsa/202003-61
by GLSA coordinator Thomas Deutschmann (whissi).