    def load_djpeg(self):

        # ALTERNATIVE: handle JPEGs via the IJG command line utilities

        import tempfile, os
        file = tempfile.mktemp()
        os.system("djpeg %s >%s" % (self.filename, file))

        try:
            self.im = Image.core.open_ppm(file)
        finally:
            try: os.unlink(file)
            except: pass

        self.mode = self.im.mode
        self.size = self.im.size

        self.tile = []
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.