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Δ / VULNERABILITY RECORD

CVE-2025-6516.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.3No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Aug 06, 2026

Disclosure summary

HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

Source-reported weakness categories

CWE-122

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2025-Jun

Open original source · Updated Aug 06, 2026

HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 5.3

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 hdf5 1.14.4-1 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 hdf5 1.14.4-1 on CBL Mariner 2.0 (MSRC status code 3)

Original records & references

PUBLISHED 2025-09-03T18:29:38-04:00
MODIFIED 2026-08-06T20:44:16-04:00
INGESTED 2026-10-08T12:50:05-04:00