DSA tracks which versions of exim4 have these fixes applied. https://security-tracker.debian.org/tracker/source-package/exim4 https://security-tracker.debian.o

DSA tracks which versions of exim4 have these fixes applied. https://security-tracker.debian.org/tracker/source-package/exim4 https://security-tracker.debian.org/tracker/source-package/e... Please remember to update your mailservers.