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 si_idx_find

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...