CVE-2024-32622 Memory corruption in n/a

Critical 9.1 Published 9 May 2024 Updated 13 Feb 2025

An out-of-bounds read in the HDF5 library allows attackers to cause denial of service or disclose sensitive memory contents.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2024-32622?

CVE-2024-32622 is a critical memory corruption vulnerability in Hdfgroup Hdf5, published on 9 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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).

Weakness: CWE-125

Which versions are affected by CVE-2024-32622?

It affects 1 product.

Products include Hdfgroup Hdf5.

How do I fix CVE-2024-32622?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-32622 being exploited?

There is no known exploitation of CVE-2024-32622 in the wild and no public exploit code.

All Hdfgroup Hdf5 vulnerabilities

Sources

Also known as AZL-40543, AZL-40721, DEBIAN-CVE-2024-32622, ECHO-d964-1ab5-942c, GHSA-8g42-4xgf-8mcj, JLSEC-2026-317 and 3 more.