@@ -215,12 +215,15 @@ unsigned int rarvm_getbits(rarvm_input_t *rarvm_input)

 {

 	unsigned int bit_field;

-	bit_field = (unsigned int) rarvm_input->in_buf[rarvm_input->in_addr] << 16;

-	bit_field |= (unsigned int) rarvm_input->in_buf[rarvm_input->in_addr+1] << 8;

-	bit_field |= (unsigned int) rarvm_input->in_buf[rarvm_input->in_addr+2];

-	bit_field >>= (8-rarvm_input->in_bit);

+	if (rarvm_input->in_addr+2 < rarvm_input->buf_size) {

+            bit_field = (unsigned int) rarvm_input->in_buf[rarvm_input->in_addr] << 16;

+            bit_field |= (unsigned int) rarvm_input->in_buf[rarvm_input->in_addr+1] << 8;

+            bit_field |= (unsigned int) rarvm_input->in_buf[rarvm_input->in_addr+2];

+            bit_field >>= (8-rarvm_input->in_bit);

-	return (bit_field & 0xffff);

+            return (bit_field & 0xffff);

+        }

+        return 0;

 }

 unsigned int rarvm_read_data(rarvm_input_t *rarvm_input)