CVE-2024-32615 Memory corruption in n/a

Critical 9.8 Published 9 May 2024 Updated 13 Feb 2025

A heap-based buffer overflow in the HDF5 library allows attackers to execute arbitrary code or cause denial of service via crafted files.

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

What is CVE-2024-32615?

CVE-2024-32615 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 heap-based buffer overflow in H5Z__nbit_decompress_one_byte in H5Znbit.c, caused by the earlier use of an initialized pointer.

Weakness: CWE-787

Which versions are affected by CVE-2024-32615?

It affects 1 product.

Products include Hdfgroup Hdf5.

How do I fix CVE-2024-32615?

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-2024-32615 being exploited?

There is no known exploitation of CVE-2024-32615 in the wild and no public exploit code.

All Hdfgroup Hdf5 vulnerabilities

Sources

Also known as AZL-40540, AZL-40738, DEBIAN-CVE-2024-32615, ECHO-27aa-ae20-6fb4, GHSA-cpx5-6mwc-hxp6, JLSEC-2026-310 and 2 more.