CVE-2026-59142

Data::HashMap::Shared versions before 0.14 for Perl allow an out-of-bounds read via an unvalidated arena offset and length in shmstrcopy. The attach-time validator shmvalidateheader checks the header scalars and region layout against the file size, but does not validate the array contents it then...

CVE-2026-59142

Data::HashMap::Shared for Perl (versions before 0.14) is affected by an out-of-bounds read caused by an unvalidated arena offset/length in shm_str_copy. The attach-time validator shm_validate_header checks header scalars and region layout against the file size but does not validate the contents o...