CVE-2026-59146: EGOR Data::SpatialHash::Shared, грешка в паметта

Описание

Оригинално описание

Data::SpatialHash::Shared versions before 0.02 for Perl allow out-of-bounds reads and writes via unvalidated bucket, link and free-list indices in sph_walk_cell and sph_alloc_slot. The attach-time validator sph_validate_header checks the header scalars and region layout against the file size, but does not validate the array contents it then trusts. sph_walk_cell reads entries[buckets[b]] and follows each entry's next link raw, and sph_alloc_slot writes through a file-stored free_head index, none bounded against the entry count (max_entries). A local peer that can write the backing file can leave the header valid while poisoning the bucket chain and free list, so a query reads through an out-of-bounds bucket and next index and an insert writes through an out-of-bounds free-list head, corrupting memory or crashing the process.

Засегнати продукти

• EGOR Data::SpatialHash::Shared: преди 0.02

Вид слабост

• CWE-787 Out-of-bounds Write
• CWE-125 Четене извън границите на буфера

История

Други уязвимости в EGOR Data::SpatialHash::Shared

• 3.8CVE-2026-65068

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-59146
• https://nvd.nist.gov/vuln/detail/CVE-2026-59146
• https://metacpan.org/release/EGOR/Data-SpatialHash-Shared-0.02/diff/EGOR/Data-SpatialHash-Shared-0.01#sphash.h
• https://metacpan.org/release/EGOR/Data-SpatialHash-Shared-0.02/changes