diff -up libexif-0.6.13/libexif/exif-loader.c.cve-2007-6351 libexif-0.6.13/libexif/exif-loader.c
--- libexif-0.6.13/libexif/exif-loader.c.cve-2007-6351	2007-12-15 22:16:06.000000000 -0500
+++ libexif-0.6.13/libexif/exif-loader.c	2007-12-15 22:16:42.000000000 -0500
@@ -173,6 +173,9 @@ exif_loader_write (ExifLoader *eld, unsi
 		break;
 	}
 
+	if (!len)
+		return 1;
+
 	exif_log (eld->log, EXIF_LOG_CODE_DEBUG, "ExifLoader",
 		  "Scanning %i byte(s) of data...", len);