CVE-2025-2309

low-risk

Published 2025-03-14

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.

Do I need to act?

0.06% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Hdf5

Affected Vendors

Hdfgroup

References (4)

Exploit https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc3.md

Permissions Required https://vuldb.com/?ctiid.299722

Third Party Advisory https://vuldb.com/?id.299722

Third Party Advisory https://vuldb.com/?submit.514532

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low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal