PT-2026-62058

Data::NDArray::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O EXCL or O NOFOLLOW. The segment is created in ndarray.h with openpath, O RDWR|O CREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644...