typefind: bounds check windows ico detection

Fixes out of bounds read

https://bugzilla.gnome.org/show_bug.cgi?id=774902
This commit is contained in:
Matthew Waters 2016-11-23 21:27:55 +11:00
parent c2dd0149c9
commit 2fdccfd64f

View file

@ -5224,6 +5224,8 @@ windows_icon_typefind (GstTypeFind * find, gpointer user_data)
gint32 size, offset;
datalen = gst_type_find_get_length (find);
if (datalen < 18)
return;
if ((data = gst_type_find_peek (find, 0, 6)) == NULL)
return;