xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command execution within the vi line-editing mode of Zsh. NOTE: font ops are not allowed in the xterm default configurations of some Linux distributions.
https://security.gentoo.org/glsa/202211-09
https://www.openwall.com/lists/oss-security/2022/11/10/1