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Low severity3.3NVD Advisory· Published Jun 29, 2025· Updated Apr 29, 2026

CVE-2025-6856

CVE-2025-6856

Description

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FL__reg_gc_list of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

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Affected products

2
  • Hdfgroup/Hdf52 versions
    cpe:2.3:a:hdfgroup:hdf5:1.14.6:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:hdfgroup:hdf5:1.14.6:*:*:*:*:*:*:*
    • (no CPE)range: =1.14.6

Patches

Vulnerability mechanics

References

4

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