File libexif-cve-2006-4168.patch of Package libexif5
--- libexif-0.6.15/libexif/exif-data.c 2007-05-23 16:06:37.037242000 +0200
+++ libexif-0.6.16/libexif/exif-data.c 2007-06-12 15:01:54.000000000 +0200
@@ -167,13 +167,18 @@
"Loading entry 0x%x ('%s')...", entry->tag,
exif_tag_get_name (entry->tag));
+ /* {0,1,2,4,8} x { 0x00000000 .. 0xffffffff }
+ * -> { 0x000000000 .. 0x7fffffff8 } */
+ s = exif_format_get_size(entry->format) * entry->components;
+ if (s < entry->components) {
+ return;
+ }
+ if (0 == s)
+ return;
/*
* Size? If bigger than 4 bytes, the actual data is not
* in the entry but somewhere else (offset).
*/
- s = exif_format_get_size (entry->format) * entry->components;
- if (!s)
- return;
if (s > 4)
doff = exif_get_long (d + offset + 8, data->priv->order);
else