CVE-2026-65065

Data::RoaringBitmap::Shared versions prior to 0.02 for Perl are vulnerable because they create a world-readable mmap backing file using open(path, O_RDWR|O_CREAT, 0666) without the O_EXCL or O_NOFOLLOW flags. Due to the default umask of 022, the resulting file mode is 0644, allowing any local use...