Been a couple of years since I flew AC out of there, but AC's catering out of CDG was, for a long time, disgusting. I, and some others I know who flew the route regularly, resorted to purchasing food in the terminal before the flight. While flying J. Possible they've improved it, but this persisted for many years, so I wouldn't be shocked if it were just as inedible today.

Never had an issue like that with AC's catering anywhere else.