Security Advisory

CVE-2026-17572

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-27 15:11:36

Last updated 2026-07-27 18:37:34

Assigner HDFG

CVSS score not scored

State PUBLISHED

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.

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