Under certain circumstances it's possible for remote attacker to leak private information.
Affected versions: 4.69 -> 4.87
Created exim tracking bugs for this issue:
Affects: fedora-all [bug 1405323]
Affects: epel-all [bug 1405324]
This flaw does not affect the version of Exim shipped with Red Hat Enterprise Linux 5 because it is not built with DKIM (DomainKeys Identified Mail) support.