EUVD-2026-46367
GHSA-p5xm-h38r-4xmg
Lifecycle Timeline
2DescriptionCVE.org
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.
Analysis
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. …
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Multiple cross-site scripting (XSS) vulnerabilities in the Data module 6.x-1.x before 6.x-1.0 and 7.x-1.x before 7.x-1.0
Data::DisjointSet::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_
Data::SpatialHash::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_
Data::Intern::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL
Data::RingBuffer::Shared versions before 0.04 for Perl create a world-readable mmap backing file and open it without O_E
Data::RoaringBitmap::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without
Data::HashMap::Shared versions before 0.14 for Perl create a world-readable mmap backing file and open it without O_EXCL
Data::RadixTree::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EX
Data::SortedSet::Shared versions before 0.03 for Perl create a world-readable mmap backing file and open it without O_EX
Data::ReqRep::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without O_EXCL
Data::PubSub::Shared versions before 0.07 for Perl create a world-readable mmap backing file and open it without O_EXCL
Data::NDArray::Shared versions before 0.02 for Perl create a world-readable mmap backing file and open it without O_EXCL
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
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External POC / Exploit Code
Leaving vuln.today