Emacs Arbitrary Code Execution and How to Avoid It Details and advice about a long-standing arbitrary code execution vulnerability in Emacs Created on [2024-11-27] , last updated [2025-02-25] This is a security advisory about CVE-2024-53920, an Emacs vulnerability that I (re-)discovered a few months ago. TL;DR Viewing or editing Emacs Lisp code in Emacs can run arbitrary code. The vulnerability…