update NEWS, 5.6.2 will be a security-only release

NEWS

@@ -1,6 +1,6 @@
 PHP                                                                        NEWS
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-?? ??? 2014, PHP 5.6.2
+?? ??? 2014, PHP 5.6.3
 
 - Core:
   . Fixed bug #67739 (Windows 8.1/Server 2012 R2 OS build number reported
@@ -45,6 +45,23 @@ PHP                                                                        NEWS
 - SPL:
   . Fixed bug #68128 (Regression in RecursiveRegexIterator) (Tjerk)
 
+16 Oct 2014, PHP 5.6.2
+
+- Core:
+  . Fixed bug #68044 (Integer overflow in unserialize() (32-bits only)).
+    (CVE-2014-3669) (Stas)
+
+- cURL:
+  . Fixed bug #68089 (NULL byte injection - cURL lib). (Stas)
+
+- EXIF:
+  . Fixed bug #68113 (Heap corruption in exif_thumbnail()). (CVE-2014-3670)
+    (Stas)
+
+- XMLRPC:
+  . Fixed bug #68027 (Global buffer overflow in mkgmtime() function).
+    (CVE-2014-3668) (Stas)
+
 02 Oct 2014, PHP 5.6.1
 
 - Core: