What is CVE-2025-44904?

CVE-2025-44904 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-05-30.

How severe is CVE-2025-44904?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Hdfgroup Hdf5

CVE-2025-44904

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

Vulnerability class: Buffer Overflow

EPSS: 0.004 (30.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Hdfgroup Hdf5 — versions 1.14.6
N/a — versions n/a

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-44904?: CVE-2025-44904 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-05-30.
How severe is CVE-2025-44904?: High severity. CVSS v3 base score is 8.8 out of 10.