What is CVE-2024-32622?

CVE-2024-32622 is a critical-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2024-05-14.

How severe is CVE-2024-32622?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Hdfgroup Hdf5

CVE-2024-32622

HDF5 Library through 1.14.3 contains a out-of-bounds read operation in H5FL_arr_malloc in H5FL.c (called from H5S_set_extent_simple in H5S.c).

Vulnerability class: Buffer Overflow

Published 2024-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Hdfgroup Hdf5

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

www.hdfgroup.org/2024/05/new-hdf5-cve-issues-fixed-in-1-14-4/ (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-32622?: CVE-2024-32622 is a critical-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2024-05-14.
How severe is CVE-2024-32622?: Critical severity. CVSS v3 base score is 9.1 out of 10.