From: Daniel Glassey <wdg@debian.org>
Date: Sat, 3 Nov 2018 13:34:07 +0700
Subject: a very large word number could overflow buffer

--- a/src/modules/filters/gbfwordjs.cpp
+++ b/src/modules/filters/gbfwordjs.cpp
@@ -65,7 +65,7 @@
 		bool intoken = false;
 		int word = 1;
 		char val[128];
-		char wordstr[5];
+		char wordstr[12];
 		unsigned int textStart = 0, lastAppendLen = 0, textEnd = 0;
 		SWBuf tmp;
 		bool newText = false;