CVE-2025-6816

1.9 lowEPSS 0.3%

Low (1.9) in hdfgroup hdf5. EPSS 0.3% chance of exploitation in the next 30 days.

A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Severity

CVSS 4.0

1.9 low

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/E:P

CVSS 3.1

3.3 low

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-122
Published: 2025-06-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hdfgroup:hdf5

References

https://github.com/HDFGroup/hdf5/issues/5571
https://github.com/user-attachments/files/20623354/hdf5_crash_3.txt
https://vuldb.com/?ctiid.314254
https://vuldb.com/?id.314254
https://vuldb.com/?submit.602291

Check your stack JSON