Index: StyleTextPropAtom.java
===================================================================
--- StyleTextPropAtom.java	(revision 1477896)
+++ StyleTextPropAtom.java	(working copy)
@@ -274,6 +274,8 @@
 		while(pos < rawContents.length && textHandled < prsize) {
 			// First up, fetch the number of characters this applies to
 			int textLen = LittleEndian.getInt(rawContents,pos);
+            if (textHandled + textLen > (size+1))
+                textLen = (size+1) - textHandled;
 			textHandled += textLen;
 			pos += 4;
 
@@ -309,6 +311,8 @@
 		while(pos < rawContents.length && textHandled < chsize) {
 			// First up, fetch the number of characters this applies to
 			int textLen = LittleEndian.getInt(rawContents,pos);
+            if (textHandled + textLen > (size+1))
+                textLen = (size+1) - textHandled;
 			textHandled += textLen;
 			pos += 4;