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https://bugzilla.redhat.com/show_bug.cgi?id=504782
--- Comment #7 from Tom Lane tgl@redhat.com 2009-06-09 09:42:38 EDT --- Calling this a security issue seems like a bit of a stretch. You can only read portions of individual bytes, you can't control very well which bytes those are, and the whole thing depends on the application's display code being seriously buggy (i.e. showing garbage pixels on the right side of an image).