CVE-2026-59144

The Data::RingBuffer::Shared Perl module in versions before 0.04 is vulnerable to a stack buffer overflow within the ring_read_seq function. The root cause is an unvalidated elem_size value read from an mmap'd segment; while the ring_validate_header validator checks for capacity and total size co...

CVE-2026-59144

Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elemsize in ringreadseq. The attach-time validator ringvalidateheader checks the capacity-overflow and totalsize consistency of the header but never caps elemsize against the destination size...