Update NEWS

Author: cmb69

NEWS

@@ -26,7 +26,7 @@ PHP                                                                        NEWS
   . Fixed bug #76342 (file_get_contents waits twice specified timeout).
     (Thomas Calvet)
 
-12 Sep 2019, PHP 7.3.10RC1
+26 Sep 2019, PHP 7.3.10
 
 - Core:
   . Fixed bug #78220 (Can't access OneDrive folder). (cmb, ab)
@@ -49,6 +49,9 @@ PHP                                                                        NEWS
   . Ensure IDNA2003 rules are used with idn_to_ascii() and idn_to_utf8()
     when requested. (Sara)
 
+- MBString:
+  . Fixed bug #78559 (Heap buffer overflow in mb_eregi). (cmb)
+
 - MySQLnd:
   . Fixed connect_attr issues and added the _server_host connection attribute.
     (Qianqian Bu)