LOW 3.3 Microsoft

CVE-2025-2923

HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

Microsoft Security Update 2026-Aug: HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

Affected Products

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-2923
https://nvd.nist.gov/vuln/detail/CVE-2025-2923

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

This low severity vulnerability with a CVSS score of 3.3 was published on 2026-08-06 via Microsoft. Affected: azl3 hdf5 1.14.4.3-1 on Azure Linux 3.0, cbl2 hdf5 1.14.4-1 on CBL Mariner 2.0, cbl2 hdf5 1.14.4-1.

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