Cobbled together from For Debian-based systems this might be helpful until there is an update release Check if your system is vulnerable: From terminal/shell run: iconv -l | grep -E 'CN-?EXT' If you get: ISO-2022-CN-EXT// ISO2022CNEXT// You might be vulnerable. On Debian , check this file: /usr/lib/x86_64-linux-gnu/gconv/gconv-modules At around row 1286 you will see the grouping you need to...