CVE-2026-65067

Data::Intern::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without OEXCL or ONOFOLLOW. The segment is created in intern.h with openpath, ORDWR|OCREAT, 0666. The mode is 0666, so under the default umask 022 the file is created mode 0644 world-readable...

CVE-2026-59145

Data::Intern::Shared versions before 0.02 for Perl allow an out-of-bounds read via unvalidated slot, reverse and arena indices in siidxfind. The attach-time validator sivalidateheader is thorough about the header and layout magic, version, section offsets, totalsize, count and arenaused but does...

CVE-2026-65067

CVE-2026-65067 affects Data::Intern::Shared prior to 0.02 for Perl. The code creates a world-readable mmap backing file via open(path, O_RDWR|O_CREAT, 0666) with mode 0666, which becomes 0644 under the default umask. Absence of O_NOFOLLOW means a symlink at the path is followed, and absence of O_...

CVE-2026-59145

Data::Intern::Shared before 0.02 for Perl is affected by an out-of-bounds read in si_idx_find due to unvalidated arrays after a seemingly thorough header validation. The code walks a triple indirection: arena[reverse[slots[i].id]] without bounds checks on slots[i].id against count, reverse offset...

CVE-2026-59145

Data::Intern::Shared versions before 0.02 for Perl allow an out-of-bounds read via unvalidated slot, reverse and arena indices in siidxfind. The attach-time validator sivalidateheader is thorough about the header and layout magic, version, section offsets, totalsize, count and arenaused but does...

PT-2026-62052

Data::Intern::Shared versions before 0.02 for Perl allow an out-of-bounds read via unvalidated slot, reverse and arena indices in si idx find. The attach-time validator si validate header is thorough about the header and layout magic, version, section offsets, total size, count and arena used but...