MEDIUM 5.3 Microsoft

CVE-2025-6516

HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

Microsoft Security Update 2026-Aug: HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

Affected Products

cbl2 hdf5 1.14.4-1 on CBL Mariner 2.0
cbl2 hdf5 1.14.4-1
azl3 hdf5 1.14.4.3-1 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-6516
https://nvd.nist.gov/vuln/detail/CVE-2025-6516

Published: 2026-08-06 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-08-06 via Microsoft. Affected: cbl2 hdf5 1.14.4-1 on CBL Mariner 2.0, cbl2 hdf5 1.14.4-1, azl3 hdf5 1.14.4.3-1 on Azure Linux 3.0.

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