CVE-2025-6818

medium

Description

A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

References

https://vuldb.com/?submit.602326

https://vuldb.com/?id.314256

https://github.com/user-attachments/files/20623382/hdf5_crash_5.txt

https://vuldb.com/?ctiid.314256

https://github.com/HDFGroup/hdf5/issues/5573

Details

Source: Mitre, NVD

Published: 2025-06-28

Updated: 2025-07-08

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00013