CVE-2017-1000369

Exim supports the use of multiple “-p” command line arguments which are
malloc()'ed and never free()'ed, used in conjunction with other issues
allows attackers to cause arbitrary code execution. This affects exim
version 4.89 and earlier. Please note that at this time upstream has
released a patch (commit 65e061b76867a9ea7aeeb535341b790b90ae6c21), but it
is not known if a new point release is available that addresses this issue
at this time.