CVE-2025-6856

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
VulDBCNA
3.3 LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
VendorProductVersion
hdfgrouphdf5
1.14.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/HDFGroup/hdf5/issues/5574
https://github.com/user-attachments/files/20623417/hdf5_crash_6.txt
https://vuldb.com/?ctiid.314328
https://vuldb.com/?id.314328
https://vuldb.com/?submit.602528