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Hdf5 CVE-2026-17572

| EUVDEUVD-2026-49318 MEDIUM
Out-of-bounds Read (CWE-125)
2026-07-27 HDFG GHSA-9mx5-fj64-m52r
Denial Of Service Information Disclosure Deserialization Buffer Overflow Hdf5
5.5
CVSS 4.0 · Vendor: HDFG
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Severity by source

Vendor (HDFG) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
SUSE
6.1 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Red Hat
5.5 MEDIUM
qualitative

Primary rating from Vendor (HDFG).

CVSS VectorVendor: HDFG

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jul 27, 2026 - 15:53 vuln.today

DescriptionCVE.org

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.

AnalysisAI

Heap-based buffer overflow in HDF5 through 2.1.1 enables attackers to crash applications and potentially corrupt data by providing a crafted HDF5 file. The flaw lies in the shared‑message list‑index deserializer (SOHM), allowing out‑of‑bounds heap reads and writes when a num_messages field exceeds the declared list_max. …

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Module for Package Hub 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 12 SP5 Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Affected
SUSE Linux Enterprise Module for HPC 12 Affected

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CVE-2026-17572 vulnerability details – vuln.today
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