What is CVE-2024-32624?

CVE-2024-32624 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Heap-based Buffer Overflow. CVSS score: 7.4/10. Published 2024-05-14.

How severe is CVE-2024-32624?

High severity. CVSS v3 base score is 7.4 out of 10.

Buffer overflow in Hdfgroup Hdf5

CVE-2024-32624

HDF5 Library through 1.14.3 contains a heap-based buffer overflow in H5T__ref_mem_setnull in H5Tref.c (called from H5T__conv_ref in H5Tconv.c), resulting in the corruption of the instruction pointer.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Hdfgroup Hdf5

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

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-2024-32624?: CVE-2024-32624 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Heap-based Buffer Overflow. CVSS score: 7.4/10. Published 2024-05-14.
How severe is CVE-2024-32624?: High severity. CVSS v3 base score is 7.4 out of 10.