CVE-2026-17572: CWE-125 Out-of-bounds read in The HDF Group HDF5
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.
CVE-2026-17572: CWE-125 Out-of-bounds read in The HDF Group HDF5
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.
CVSS v4.0
Score 5.5medium
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- HDFG
- Date Reserved
- 2026-07-27T15:07:05.659Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a677b449c2644c7f85127fa
Added to database: 07/27/2026, 15:37:40 UTC
Last updated: 07/27/2026, 21:13:12 UTC
Views: 5
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