diff -ur -x .deps cinelerra-cv.orig/cinelerra/formattools.C cinelerra-cv/cinelerra/formattools.C
--- cinelerra-cv.orig/cinelerra/formattools.C	2010-03-27 10:32:14.000000000 +0100
+++ cinelerra-cv/cinelerra/formattools.C	2012-11-08 17:23:30.215081904 +0100
@@ -322,7 +322,7 @@
 			*ptr = '.';
 		}
 		ptr++;
-		sprintf(ptr, extension);
+		sprintf(ptr, "%s", extension);
 
 		int character1 = ptr - asset->path;
 		int character2 = ptr - asset->path + strlen(extension);
diff -ur -x .deps cinelerra-cv.orig/cinelerra/record.C cinelerra-cv/cinelerra/record.C
--- cinelerra-cv.orig/cinelerra/record.C	2010-03-27 10:32:15.000000000 +0100
+++ cinelerra-cv/cinelerra/record.C	2012-11-08 17:24:11.041747132 +0100
@@ -355,7 +355,7 @@
 			if(batch->channel < 0 || batch->channel >= channeldb->size())
 				sprintf(string, _("None"));
 			else
-				sprintf(string, channeldb->get(batch->channel)->title);
+				sprintf(string, "%s", channeldb->get(batch->channel)->title);
 			break;
 	}
 }
diff -ur -x .deps cinelerra-cv.orig/guicast/stringfile.C cinelerra-cv/guicast/stringfile.C
--- cinelerra-cv.orig/guicast/stringfile.C	2010-03-27 10:32:17.000000000 +0100
+++ cinelerra-cv/guicast/stringfile.C	2012-11-08 17:22:50.291749980 +0100
@@ -230,7 +230,7 @@
 	}
 	
 	for(i = 0; i < indent; i++, pointer++) string[pointer] = ' ';
-	sprintf(&string[pointer], arg1);
+	sprintf(&string[pointer], "%s", arg1);
 	pointer += strlen(arg1);
 	return 0;
 }
diff -ur -x .deps cinelerra-cv.orig/libmpeg3/mpeg3tocutil.c cinelerra-cv/libmpeg3/mpeg3tocutil.c
--- cinelerra-cv.orig/libmpeg3/mpeg3tocutil.c	2010-03-27 10:32:17.000000000 +0100
+++ cinelerra-cv/libmpeg3/mpeg3tocutil.c	2012-11-08 17:20:11.405088917 +0100
@@ -1205,7 +1205,7 @@
 
 // Store file information
 	PUT_INT32(FILE_INFO);
-	fprintf(file->toc_fd, file->fs->path);
+	fprintf(file->toc_fd, "%s", file->fs->path);
 	for(j = strlen(file->fs->path); j < MPEG3_STRLEN; j++)
 			fputc(0, file->toc_fd);
 	PUT_INT64(file->source_date);
@@ -1236,7 +1236,7 @@
 // Path
 		PUT_INT32(TITLE_PATH);
 
-		fprintf(file->toc_fd, title->fs->path);
+		fprintf(file->toc_fd, "%s", title->fs->path);
 
 // Pad path with 0
 		for(j = strlen(title->fs->path); j < MPEG3_STRLEN; j++)
diff -ur -x .deps cinelerra-cv.orig/mpeg2enc/mpeg2enc.c cinelerra-cv/mpeg2enc/mpeg2enc.c
--- cinelerra-cv.orig/mpeg2enc/mpeg2enc.c	2010-03-27 10:32:17.000000000 +0100
+++ cinelerra-cv/mpeg2enc/mpeg2enc.c	2012-11-08 17:21:19.281753192 +0100
@@ -340,7 +340,7 @@
 void error(text)
 char *text;
 {
-  fprintf(stderr,text);
+  fprintf(stderr,"%s",text);
   putc('\n',stderr);
   exit(1);
 }