diff -ruN sgi2fax/imgtofax.c.orig sgi2fax/imgtofax.c
--- sgi2fax/imgtofax.c.orig	Mon Oct 12 13:47:50 1998
+++ sgi2fax/imgtofax.c	Mon Jun 12 21:52:42 2000
@@ -214,7 +214,7 @@
     TIFFSetField(tif, TIFFTAG_PAGENUMBER, pn, npages);
     TIFFSetField(tif, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_CLEAN);
     { char buf[1024];
-      sprintf(buf, "Ditherered B&W version of %s", input);
+      snprintf(buf, sizeof(buf), "Ditherered B&W version of %s", input);
       TIFFSetField(tif, TIFFTAG_IMAGEDESCRIPTION, buf);
     }
     TIFFSetField(tif, TIFFTAG_SOFTWARE, "sgi2fax");