Description
A vulnerability has been found in HDF5 1.14.6 and classified as critical. This vulnerability affects the function H5T__bit_copy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.
References (4)
Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.299722
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.299722
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.514532
Exploit, Third Party Advisory exploit
https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc3.md
Scores
CVSS v3
5.3
EPSS
0.0005
EPSS Percentile
15.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-122
CWE-787
Status
published
Products (1)
hdfgroup/hdf5
1.14.6
Published
Mar 14, 2025
Tracked Since
Feb 18, 2026