CVE intelligence

CVE-2025-44904

Vulnerability intelligence

Published May 30, 2025Sources checked Nov 12, 2026

8.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2025-44904 and is rated High severity with a CVSS score of 8.8. 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: Oct 27, 2026

CBL-Mariner Releases Release Notes

Vendor-listed releases

1.14.6-3

CISA KEVNot listedBased on the latest collected catalog

EPSS0.5%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2025-44904?

hdf5 v1.14.6 was discovered to contain a heap buffer overflow via the H5VM_memcpyvv function.

Source: NVD