GNU Emacs is a powerful, customizable, self-documenting text editor. It provides special code editing features, a scripting language , and the capability to read e-mail and news. Security Fix: * emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux * emacs: command execution via shell metacharacters * emacs: local command injection in ruby-mode.el * emacs: command injection vulnerability in htmlfontify.el For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.