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Medium severity5.5OSV Advisory· Published Jul 27, 2026· Updated Aug 18, 2026

CVE-2026-17572

CVE-2026-17572

Description

Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms allows attackers to cause a denial of service (crash) via a crafted HDF5 file whose shared-message list index declares a num_messages count exceeding list_max, triggering out-of-bounds heap reads and writes in H5SM__cache_list_deserialize and H5SM__cache_list_verify_chksum.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Hdfgroup/Hdf5OSV3 versions
    2.1.1, hdf5_2.1.0, 2.1.0, …+ 2 more
    • (no CPE)range: 2.1.1, hdf5_2.1.0, 2.1.0, …
    • cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*range: <2.2.0
    • (no CPE)range: <=2.1.1

Patches

Vulnerability mechanics

References

1

News mentions

1