Published Mar 28, 2025Sources checked Nov 14, 2026
5.5MEDIUMCVSS out of 10
What this means
Review the available evidence
CVE-2025-2915 and is rated Medium severity with a CVSS score of 5.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Aug 12, 2026
CBL-Mariner Releases
Vendor-listed releases
1.14.6-2
CISA KEVNot listedBased on the latest collected catalog
EPSS0.3%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2025-2915?
A vulnerability classified as problematic was found in HDF5 up to 1.14.6. This vulnerability affects the function H5F__accum_free of the file src/H5Faccum.c.
The manipulation of the argument overlap_size leads to heap-based buffer overflow. Attacking locally is a requirement.
The exploit has been disclosed to the public and may be used.