Fix for two security issues

[LocutusOfBorg]

No description provided.

[LocutusOfBorg]

ping

[Leengit]

Some fix is needed here, though array_name is const char* rather than char *, so that may need to be addressed.

[LocutusOfBorg]

Hello, I did it, but TBH I don't think it can work...
tmpArr = fread_double_array(file, "background_parameters", NULL);