Root exploitation issue Exim-Mailserver

Question

At what time will sophos release a fix for this issue ? 
 because using a exim mail proxy with a root Remote exploitation ins't a good idea at all. 
 
 see here: 
 www.openwall.com/.../4

Britton Robbins · Answer

I received the following today from Sophos support: 
 "The latest SG firmware, 9.603 (as well as 9.602) is not running a version of exim with that vulnerability CVE-2019-10149"