--- t1lib-5.1.0.orig/lib/t1lib/t1env.c
+++ t1lib-5.1.0/lib/t1lib/t1env.c
@@ -611,6 +611,12 @@
 #endif 
     strcat( pathbuf, DIRECTORY_SEP);
     /* And finally the filename: */
+    /* If current pathbuf + StrippedName + 1 byte for NULL is bigger than pathbuf
+       let's try next pathbuf */
+    if( strlen(pathbuf) + strlen(StrippedName) + 1 > sizeof(pathbuf) ) {
+	i++;
+    	continue;
+    }
     strcat( pathbuf, StrippedName);
     
     /* Check for existence of the path: */