Updates CHANGES and NEWS for new release

Reviewed-by: Richard Levitte <levitte@openssl.org>

NEWS

diff --git a/NEWS b/NEWS
index bdb7a4f..82d1cb1 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,10 @@
 
       o
 
+  Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
+
+      o Fix Use After Free for large message sizes (CVE-2016-6309)
+
   Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
 
       o OCSP Status Request extension unbounded memory growth (CVE-2016-6304)