Buffer overflow in Hdfgroup Hdf5

CVE-2025-2153

A vulnerability, which was classified as critical, was found in HDF5 1.14.6. Affected is the function H5SM_delete of the file H5SM.c of the component h5 File Handler. The manipulation leads to heap-based buffer overflow. It is possible to…

Vulnerability class: Buffer Overflow

EPSS: 0.005 (36.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-2153?
CVE-2025-2153 is a medium-severity vulnerability in Hdfgroup Hdf5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.0/10. Published 2025-03-10.
How severe is CVE-2025-2153?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2025-2153 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.