void CairoOutputDev::eoFill(GfxState *state) {
  doPath (cairo, state, state->getPath());
  cairo_set_fill_rule (cairo, CAIRO_FILL_RULE_EVEN_ODD);
  cairo_set_source (cairo, fill_pattern);
  LOG(printf ("fill-eo\n"));
  cairo_fill (cairo);

  if (cairo_shape) {
    cairo_set_fill_rule (cairo_shape, CAIRO_FILL_RULE_EVEN_ODD);
    doPath (cairo_shape, state, state->getPath());
    cairo_fill (cairo_shape);
  }

}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.