PT-2026-62050 · Egor · Data::Roaringbitmap::Shared
CVE-2026-59143
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Publicado
2026-07-21
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Atualizado
2026-07-21
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Data::RoaringBitmap::Shared versions before 0.02 for Perl allow an out-of-bounds read via an unvalidated container offset and cardinality in rb contains locked.
The attach-time validator rb validate header checks the header scalars and region layout against the file size, but does not validate the bucket contents it then trusts. rb contains locked forms a container pointer as pool + container off * 8192 from a raw file-stored offset and then searches over a file-stored cardinality, neither bounded against the container pool capacity or the fixed 8192-byte slot size.
A local peer that can write the backing file can leave the header valid while poisoning a bucket, so the next membership query dereferences a file-controlled wild pointer and scans a file-controlled count, reading adjacent memory or crashing the process.
Out of bounds Read
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Data::Roaringbitmap::Shared