options, and new features, see the NewStuff file next to this ChangeLog.
-Exim version 4.91
------------------
+Since Exim version 4.90
+-----------------------
JH/01 Replace the store_release() internal interface with store_newblock(),
which internalises the check required to safely use the old one, plus
ignoring. This covers use with PRDR, frozen messages, queue-only and
fake-reject.
+HS/01 Fix Buffer overflow in base64d() (CVE-2018-6789)
+
JH/16 Fix bug in DKIM verify: a buffer overflow could corrupt the malloc
metadata, resulting in a crash in free().