Buffer overflow in Hdfgroup Hdf5

CVE-2025-2925

A vulnerability has been found in HDF5 up to 1.14.6 and classified as problematic. This vulnerability affects the function H5MM_realloc of the file src/H5MM.c. The manipulation of the argument mem leads to double free. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (17.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-2925: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
  • vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
  • github.com/HDFGroup/hdf5/issues/5383 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-2925?
CVE-2025-2925 is a low-severity vulnerability in Hdfgroup Hdf5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-03-28.
How severe is CVE-2025-2925?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2025-2925 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.